?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 三项技?解决了大问题-煤炭资讯|?/TITLE><LINK href="/css/wh.css" type=text/css rel=stylesheet> <META http-equiv=Content-Type content="text/html; charset=gb2312"> <META content=煤炭|?name=Author> <META content="Copyright 2004-2005 煤炭资讯|所? name=Copyright> <META content="煤矿,煤矿|?煤炭|?清R?光电(sh)型全自动矿用清R?二手讑֤,煤炭供求,煤矿机电(sh)讑֤,煤矿新闻,煤矿人才,煤业技?校友?煤h(hun)旬报,技术论?襉K煤炭|?国际能源|?全球能源|?世界能源|?国家能源|?国际煤炭|?国际?sh)力|?国际xa(b)|?国际天然气网,国际新能源网,国际能源投融资网,能源U技,能源人物,能源要闻,能源安全,能源情报,能源危机,能源市场,能源企业,能源黄页,能源l计,能源专家,能源|聚世界能源资讯,服务全球能源企业" name=keywords> <META content="煤炭资讯|? name=description> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://www.ducatiukracing.com/">免费人成年激情视频在线观看,国产精品,精品一级影院在线播放,真实强奷在线中文</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><menuitem id="by97i"><menuitem id="by97i"><delect id="by97i"></delect></menuitem></menuitem><li id="by97i"></li><noframes id="by97i"><dfn id="by97i"></dfn></noframes><samp id="by97i"></samp><strong id="by97i"><abbr id="by97i"></abbr></strong><strike id="by97i"><label id="by97i"><option id="by97i"></option></label></strike><ins id="by97i"><font id="by97i"><strike id="by97i"></strike></font></ins><menuitem id="by97i"><ul id="by97i"><delect id="by97i"><del id="by97i"></del></delect></ul></menuitem><output id="by97i"></output><legend id="by97i"></legend><pre id="by97i"></pre><tt id="by97i"><tbody id="by97i"><strong id="by97i"></strong></tbody></tt><output id="by97i"></output><pre id="by97i"></pre><big id="by97i"></big><strike id="by97i"></strike><var id="by97i"></var><abbr id="by97i"><blockquote id="by97i"><dl id="by97i"><listing id="by97i"></listing></dl></blockquote></abbr><table id="by97i"></table><small id="by97i"></small><i id="by97i"><dfn id="by97i"></dfn></i><optgroup id="by97i"><pre id="by97i"></pre></optgroup><tbody id="by97i"><legend id="by97i"></legend></tbody><td id="by97i"><menu id="by97i"><video id="by97i"><meter id="by97i"></meter></video></menu></td><sub id="by97i"></sub><dfn id="by97i"><strike id="by97i"><optgroup id="by97i"><video id="by97i"></video></optgroup></strike></dfn><pre id="by97i"><var id="by97i"><rp id="by97i"><em id="by97i"></em></rp></var></pre><b id="by97i"><tr id="by97i"><cite id="by97i"><strong id="by97i"></strong></cite></tr></b><sup id="by97i"></sup><sup id="by97i"></sup><dfn id="by97i"></dfn><thead id="by97i"><tfoot id="by97i"></tfoot></thead><track id="by97i"><menuitem id="by97i"><strike id="by97i"></strike></menuitem></track><tbody id="by97i"><tt id="by97i"></tt></tbody><video id="by97i"></video><track id="by97i"><menuitem id="by97i"></menuitem></track><ol id="by97i"><nobr id="by97i"><del id="by97i"><td id="by97i"></td></del></nobr></ol><small id="by97i"></small><output id="by97i"></output><optgroup id="by97i"></optgroup><tr id="by97i"><p id="by97i"><form id="by97i"></form></p></tr><acronym id="by97i"><progress id="by97i"><s id="by97i"></s></progress></acronym><big id="by97i"><i id="by97i"></i></big><nav id="by97i"></nav><acronym id="by97i"><div id="by97i"><style id="by97i"><var id="by97i"></var></style></div></acronym><optgroup id="by97i"><em id="by97i"></em></optgroup><listing id="by97i"><output id="by97i"></output></listing><sup id="by97i"></sup><form id="by97i"></form><track id="by97i"><menuitem id="by97i"><source id="by97i"><optgroup id="by97i"></optgroup></source></menuitem></track> <pre id="by97i"></pre><i id="by97i"></i><tfoot id="by97i"></tfoot><code id="by97i"></code><strong id="by97i"><tt id="by97i"></tt></strong><track id="by97i"><menuitem id="by97i"><td id="by97i"><menu id="by97i"></menu></td></menuitem></track><font id="by97i"><meter id="by97i"></meter></font><dfn id="by97i"><form id="by97i"></form></dfn><tt id="by97i"><span id="by97i"><thead id="by97i"></thead></span></tt><menuitem id="by97i"></menuitem><source id="by97i"></source><dd id="by97i"><object id="by97i"><noframes id="by97i"></noframes></object></dd><pre id="by97i"><tfoot id="by97i"></tfoot></pre><b id="by97i"></b><track id="by97i"></track><source id="by97i"></source><style id="by97i"><u id="by97i"><thead id="by97i"><th id="by97i"></th></thead></u></style><tbody id="by97i"><del id="by97i"></del></tbody><center id="by97i"></center><nav id="by97i"><button id="by97i"><menuitem id="by97i"></menuitem></button></nav><font id="by97i"></font><small id="by97i"><output id="by97i"><div id="by97i"></div></output></small><mark id="by97i"></mark><noframes id="by97i"></noframes><i id="by97i"><dfn id="by97i"><sup id="by97i"></sup></dfn></i><del id="by97i"></del><listing id="by97i"></listing><track id="by97i"><menuitem id="by97i"><td id="by97i"></td></menuitem></track><optgroup id="by97i"></optgroup><rp id="by97i"></rp><legend id="by97i"></legend><delect id="by97i"><wbr id="by97i"><var id="by97i"><rp id="by97i"></rp></var></wbr></delect><menu id="by97i"><option id="by97i"><mark id="by97i"><wbr id="by97i"></wbr></mark></option></menu><sup id="by97i"><small id="by97i"></small></sup><var id="by97i"></var><b id="by97i"></b><sub id="by97i"></sub><ol id="by97i"><i id="by97i"><dfn id="by97i"><sup id="by97i"></sup></dfn></i></ol><tfoot id="by97i"><i id="by97i"></i></tfoot><option id="by97i"></option><wbr id="by97i"></wbr><option id="by97i"></option><font id="by97i"><acronym id="by97i"></acronym></font><menuitem id="by97i"></menuitem><address id="by97i"></address><center id="by97i"><input id="by97i"><nobr id="by97i"></nobr></input></center><dd id="by97i"><sup id="by97i"></sup></dd><track id="by97i"><menuitem id="by97i"></menuitem></track><var id="by97i"></var><abbr id="by97i"><blockquote id="by97i"><dl id="by97i"></dl></blockquote></abbr> <thead id="by97i"><dl id="by97i"><code id="by97i"><tr id="by97i"></tr></code></dl></thead><source id="by97i"></source><strong id="by97i"></strong><cite id="by97i"><li id="by97i"></li></cite><pre id="by97i"></pre><delect id="by97i"><pre id="by97i"><var id="by97i"><li id="by97i"></li></var></pre></delect><td id="by97i"></td><big id="by97i"><object id="by97i"><noframes id="by97i"><output id="by97i"></output></noframes></object></big><nobr id="by97i"></nobr><dfn id="by97i"></dfn><p id="by97i"></p><abbr id="by97i"></abbr><style id="by97i"><em id="by97i"></em></style><strong id="by97i"></strong><form id="by97i"><font id="by97i"></font></form><form id="by97i"><label id="by97i"><label id="by97i"><b id="by97i"></b></label></label></form><video id="by97i"><blockquote id="by97i"><rt id="by97i"><var id="by97i"></var></rt></blockquote></video><dl id="by97i"><small id="by97i"></small></dl><form id="by97i"><font id="by97i"></font></form><div id="by97i"><style id="by97i"></style></div><var id="by97i"><rp id="by97i"><progress id="by97i"><source id="by97i"></source></progress></rp></var><input id="by97i"></input><div id="by97i"><style id="by97i"><abbr id="by97i"></abbr></style></div><legend id="by97i"></legend><p id="by97i"></p><mark id="by97i"><thead id="by97i"></thead></mark><legend id="by97i"><var id="by97i"><rp id="by97i"></rp></var></legend><form id="by97i"><label id="by97i"><track id="by97i"><del id="by97i"></del></track></label></form><dfn id="by97i"></dfn><blockquote id="by97i"></blockquote><acronym id="by97i"><tbody id="by97i"></tbody></acronym><strike id="by97i"><bdo id="by97i"><small id="by97i"></small></bdo></strike><tr id="by97i"><font id="by97i"></font></tr><small id="by97i"><ul id="by97i"><form id="by97i"><label id="by97i"></label></form></ul></small><font id="by97i"><strike id="by97i"></strike></font><mark id="by97i"><wbr id="by97i"><nav id="by97i"><track id="by97i"></track></nav></wbr></mark><style id="by97i"></style><i id="by97i"></i><tt id="by97i"></tt><strong id="by97i"><video id="by97i"><meter id="by97i"></meter></video></strong><track id="by97i"><samp id="by97i"></samp></track><dl id="by97i"></dl><small id="by97i"><address id="by97i"><fieldset id="by97i"></fieldset></address></small><dl id="by97i"><tbody id="by97i"><tt id="by97i"><span id="by97i"></span></tt></tbody></dl><samp id="by97i"><source id="by97i"></source></samp><th id="by97i"></th><button id="by97i"><tbody id="by97i"><legend id="by97i"></legend></tbody></button><tr id="by97i"></tr><optgroup id="by97i"></optgroup><noframes id="by97i"></noframes></div><div id="9bnhv" class="pl_css_ganrao" style="display: none;"><ruby id="9bnhv"></ruby><abbr id="9bnhv"></abbr><tbody id="9bnhv"></tbody><samp id="9bnhv"></samp><table id="9bnhv"></table><form id="9bnhv"><dfn id="9bnhv"></dfn></form><optgroup id="9bnhv"><strong id="9bnhv"><ruby id="9bnhv"></ruby></strong></optgroup><s id="9bnhv"></s><big id="9bnhv"><legend id="9bnhv"><dfn id="9bnhv"></dfn></legend></big><noframes id="9bnhv"></noframes><thead id="9bnhv"></thead><tr id="9bnhv"></tr><rt id="9bnhv"><source id="9bnhv"><i id="9bnhv"><strong id="9bnhv"></strong></i></source></rt><dfn id="9bnhv"></dfn><thead id="9bnhv"></thead><thead id="9bnhv"><input id="9bnhv"></input></thead><form id="9bnhv"><address id="9bnhv"></address></form><ul id="9bnhv"></ul><button id="9bnhv"></button><bdo id="9bnhv"><tr id="9bnhv"><legend id="9bnhv"><s id="9bnhv"></s></legend></tr></bdo><abbr id="9bnhv"><center id="9bnhv"></center></abbr><rp id="9bnhv"></rp><center id="9bnhv"></center><tr id="9bnhv"></tr><i id="9bnhv"><optgroup id="9bnhv"><font id="9bnhv"></font></optgroup></i><menu id="9bnhv"></menu><sup id="9bnhv"><tfoot id="9bnhv"></tfoot></sup><abbr id="9bnhv"></abbr><progress id="9bnhv"></progress><big id="9bnhv"></big><menuitem id="9bnhv"></menuitem><strong id="9bnhv"><acronym id="9bnhv"></acronym></strong><object id="9bnhv"></object><form id="9bnhv"></form><progress id="9bnhv"><thead id="9bnhv"></thead></progress><label id="9bnhv"></label><thead id="9bnhv"><optgroup id="9bnhv"><tt id="9bnhv"></tt></optgroup></thead><strong id="9bnhv"><track id="9bnhv"><meter id="9bnhv"><strike id="9bnhv"></strike></meter></track></strong><span id="9bnhv"><table id="9bnhv"><video id="9bnhv"></video></table></span><nav id="9bnhv"><pre id="9bnhv"></pre></nav><strong id="9bnhv"><acronym id="9bnhv"><delect id="9bnhv"><legend id="9bnhv"></legend></delect></acronym></strong><tr id="9bnhv"><strike id="9bnhv"></strike></tr><wbr id="9bnhv"><menu id="9bnhv"></menu></wbr><tr id="9bnhv"></tr><meter id="9bnhv"><td id="9bnhv"></td></meter><output id="9bnhv"><blockquote id="9bnhv"><style id="9bnhv"></style></blockquote></output><blockquote id="9bnhv"></blockquote><del id="9bnhv"></del><bdo id="9bnhv"></bdo><dfn id="9bnhv"><ruby id="9bnhv"></ruby></dfn><ol id="9bnhv"><option id="9bnhv"><pre id="9bnhv"></pre></option></ol><ul id="9bnhv"></ul><tbody id="9bnhv"><dfn id="9bnhv"></dfn></tbody><kbd id="9bnhv"></kbd><cite id="9bnhv"><label id="9bnhv"></label></cite><acronym id="9bnhv"><meter id="9bnhv"></meter></acronym><center id="9bnhv"></center><acronym id="9bnhv"><dl id="9bnhv"></dl></acronym><ul id="9bnhv"></ul><dfn id="9bnhv"></dfn><thead id="9bnhv"><tbody id="9bnhv"><listing id="9bnhv"></listing></tbody></thead><font id="9bnhv"><pre id="9bnhv"><abbr id="9bnhv"><rp id="9bnhv"></rp></abbr></pre></font><blockquote id="9bnhv"><source id="9bnhv"></source></blockquote><dfn id="9bnhv"><output id="9bnhv"><big id="9bnhv"></big></output></dfn><listing id="9bnhv"></listing><strong id="9bnhv"></strong><noframes id="9bnhv"></noframes><acronym id="9bnhv"></acronym><code id="9bnhv"></code><form id="9bnhv"></form><option id="9bnhv"></option><abbr id="9bnhv"><button id="9bnhv"></button></abbr><style id="9bnhv"><b id="9bnhv"><address id="9bnhv"></address></b></style><rp id="9bnhv"></rp><legend id="9bnhv"><nav id="9bnhv"></nav></legend><del id="9bnhv"></del><form id="9bnhv"><option id="9bnhv"><acronym id="9bnhv"></acronym></option></form><output id="9bnhv"></output><option id="9bnhv"><acronym id="9bnhv"><cite id="9bnhv"><ruby id="9bnhv"></ruby></cite></acronym></option><dfn id="9bnhv"><sup id="9bnhv"><big id="9bnhv"><pre id="9bnhv"></pre></big></sup></dfn><u id="9bnhv"><font id="9bnhv"></font></u><address id="9bnhv"><strike id="9bnhv"></strike></address><pre id="9bnhv"><abbr id="9bnhv"><acronym id="9bnhv"><th id="9bnhv"></th></acronym></abbr></pre><blockquote id="9bnhv"></blockquote><tbody id="9bnhv"><listing id="9bnhv"><video id="9bnhv"><strike id="9bnhv"></strike></video></listing></tbody><table id="9bnhv"><address id="9bnhv"></address></table><pre id="9bnhv"></pre><input id="9bnhv"><option id="9bnhv"><pre id="9bnhv"></pre></option></input><style id="9bnhv"></style><font id="9bnhv"><pre id="9bnhv"><dfn id="9bnhv"><sub id="9bnhv"></sub></dfn></pre></font><tt id="9bnhv"></tt><label id="9bnhv"></label><tt id="9bnhv"></tt><sup id="9bnhv"></sup><td id="9bnhv"><ol id="9bnhv"><option id="9bnhv"></option></ol></td><tt id="9bnhv"><rt id="9bnhv"></rt></tt><dl id="9bnhv"></dl><dfn id="9bnhv"><li id="9bnhv"></li></dfn><center id="9bnhv"></center><sub id="9bnhv"><big id="9bnhv"><tbody id="9bnhv"></tbody></big></sub><strong id="9bnhv"></strong><tbody id="9bnhv"></tbody><strike id="9bnhv"><li id="9bnhv"></li></strike><dd id="9bnhv"></dd><b id="9bnhv"></b><form id="9bnhv"></form><strong id="9bnhv"><ul id="9bnhv"></ul></strong><sub id="9bnhv"></sub><address id="9bnhv"><ol id="9bnhv"><option id="9bnhv"><ins id="9bnhv"></ins></option></ol></address><cite id="9bnhv"><label id="9bnhv"></label></cite><noframes id="9bnhv"></noframes><li id="9bnhv"><b id="9bnhv"><source id="9bnhv"><label id="9bnhv"></label></source></b></li><video id="9bnhv"></video><blockquote id="9bnhv"></blockquote><center id="9bnhv"></center><var id="9bnhv"><th id="9bnhv"><tbody id="9bnhv"><dl id="9bnhv"></dl></tbody></th></var><td id="9bnhv"></td><sub id="9bnhv"></sub><style id="9bnhv"><delect id="9bnhv"><dd id="9bnhv"><label id="9bnhv"></label></dd></delect></style><rp id="9bnhv"><mark id="9bnhv"><legend id="9bnhv"></legend></mark></rp><abbr id="9bnhv"><samp id="9bnhv"><rt id="9bnhv"><optgroup id="9bnhv"></optgroup></rt></samp></abbr><div id="9bnhv"></div><tr id="9bnhv"></tr><del id="9bnhv"><xmp id="9bnhv"></xmp></del><rt id="9bnhv"></rt><button id="9bnhv"></button><acronym id="9bnhv"></acronym><li id="9bnhv"></li><strong id="9bnhv"></strong><tfoot id="9bnhv"><fieldset id="9bnhv"><tr id="9bnhv"><delect id="9bnhv"></delect></tr></fieldset></tfoot><pre id="9bnhv"></pre><rt id="9bnhv"><optgroup id="9bnhv"><acronym id="9bnhv"></acronym></optgroup></rt><noframes id="9bnhv"><address id="9bnhv"><strike id="9bnhv"><th id="9bnhv"></th></strike></address></noframes><span id="9bnhv"><code id="9bnhv"></code></span><div id="9bnhv"><rt id="9bnhv"><u id="9bnhv"></u></rt></div><tt id="9bnhv"><form id="9bnhv"><strong id="9bnhv"></strong></form></tt><dfn id="9bnhv"></dfn><tr id="9bnhv"><fieldset id="9bnhv"></fieldset></tr><b id="9bnhv"><source id="9bnhv"><nav id="9bnhv"><pre id="9bnhv"></pre></nav></source></b><noframes id="9bnhv"></noframes><big id="9bnhv"><legend id="9bnhv"><dfn id="9bnhv"></dfn></legend></big><td id="9bnhv"></td></div> <div id="kap2guy" class=mian> ?!--DIV class=top1> <TABLE cellSpacing=0 cellPadding=0 border=0> <TBODY> <TR> <TD> <A href="http://www.ducatiukracing.com/index.aspx"><SPAN>首页</SPAN></A>| </TD> <TD style="WIDTH: 400px"> <div class="gkitxnt" id=ctl00_Homelogin1_anonimityPannel><span id="bup7c45" class=style1>用户登陆:</SPAN> <INPUT id=ctl00_Homelogin1_userNameTextBox style="WIDTH: 70px" name=ctl00$Homelogin1$userNameTextBox>  <SPAN class=style1>密码:</SPAN> <INPUT id=ctl00_Homelogin1_passwordTextBox style="WIDTH: 98px" name=ctl00$Homelogin1$passwordTextBox>  <A href="http://www.ducatiukracing.com/User/Register.aspx"><FONT color=#ff6634>快速注?/FONT></A>   </DIV> </TD> <TD> </TD></TR></TBODY></TABLE></DIV--> </style> <img src="http://www.ducatiukracing.com/images/logozf.jpg" width="0" height="0" /> <div id="e12uesb" class=hrcss></DIV> <div id="7ilztra" class=logo> <div id="d1idwww" class=logoleft><IMG src="/image/logo.jpg"> </DIV> </div><!--div style="margin-left:280px"> <a href="http://www.ducatiukracing.com/newshtml/2025-4-7/862360.shtml" target="_blank"><img src="/guanggao/xwbz1.gif" width="680" height="80" border="0"></a> </div--> <!--font size="3px"><b><div style="margin-left:420px"; id="time" class="time"></div></b></span></font--> <br><br><div style="margin-left:600px";><font size="3px"><b><span id="sitetime"></b></span></font></div> <DIV style="CLEAR: left; BACKGROUND-IMAGE: url(/image/headBg1.jpg); background-size: 150px;WIDTH: 955px; PADDING-TOP: 5px; BACKGROUND-REPEAT: repeat-x; font-size:16px; HEIGHT: 30px"> <SPAN> <A href="http://www.ducatiukracing.com/index.aspx">?nbsp; ?/A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/MroeNews.aspx" target=_blank>L</A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/MroeNews.aspx?gd=35" target=_blank>写作</A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/MroeNews.aspx?gd=33" target=_blank>煤市分析</A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/ShowAllContentMian.aspx?id=4&senid=kong" target=_blank>政策法规</A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/ShowAllContentMian.aspx?id=1&senid=kong" target=_blank>技术论?/A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/ShowAllContentMian.aspx?id=3&senid=kong" target=_blank>矿山安全</A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/ShowAllContentMian.aspx?id=2&senid=kong" target=_blank>事故案例</A></SPAN> <SPAN> <A href="http://www.ducatiukracing.com/ShowCoalreport.aspx" target=_blank>煤h(hun)行情</A></SPAN> <span> <a href="http://tougao.cwestc.com/" target="_blank"><font color="FF6634">在线投稿</font></a></span>  | <span><a href="http://sx.cwestc.com/" target="_blank"><font color="FF6634">西北?/font></a></span>  <span><a href="http://huazhong.cwestc.com" target="_blank"><font color="FF6634">华中?/font></a> | <span><a href="/MoreBaiNian.aspx" ><font color="FF6634">特约通讯员档?/font></a></span> </DIV> <DIV style="BORDER-RIGHT: #b0cfee 1px solid; BORDER-TOP: #b0cfee 1px solid; FLOAT: left; BORDER-LEFT: #b0cfee 1px solid; WIDTH: 955px; BORDER-BOTTOM: #b0cfee 1px solid"> <TABLE cellSpacing=0 cellPadding=10 width=955 border=0> <TBODY> <TR> <TD align=middle colSpan=2> <H3></H3></TD></TR> <TR> <TD align=middle colSpan=2> <H2>三项技?解决了大问题</H2></TD></TR> <TR> <TD align=middle colSpan=2> <H3></H3></TD></TR> <TR> <TD align=right width=346><A href="http://www.ducatiukracing.com/" target=_blank>煤炭资讯|?/A></TD> <TD width=382>2007-7-16 8:09:15    <A href="http://www.ducatiukracing.com/MroeNews.aspx">?/A></TD></TR> <TR> <TD colSpan=2 class="newsContent"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML> <HEAD> <title>三项技?解决了大问题     成功“工作面q输刮板机没有夹链了、采煤不用留煤柱了、掘q当头放爆没有蹦了”。这是广西右江矿务局龙矿根据本矿井实际Q以靠科技兴煤Q创新技术改造,解决井下生NQ今q到目前为止Q全矿共生原煤实现旉q半、完成Q务超q半的好成W?BR>
    大胆改用底?BR>
    龙矿由于地质复杂,底板松YQ顶板涌水多{自然条件的影响Q过ȝ于在井下采煤工作面采用的传统露底q输刮板送煤Q这U刮板机槽在龙矿的使用Q是受到影响的,工作面的刮板机很Ҏ(gu)落底多wQ造成整个工作面运输机无法q送煤到煤仓,而且每一ơ夹链时处理上个班以上,影响了当班的生工效。今q来Q该矿决定把整个工作面的露底刮板机槽改ؓ(f)底刮板机槽Q改用后没有出现落底多w现象?BR>
    沿空送؜开?BR>
    q去Q小龙矿在井下每开采一个工作面Q都必须间隔留有3?c的煤柱Q防止下个工作面的压力,每留一个煤p丢?0万吨煤左叻Iq样开采即费了大量的国家资源Q针对这一情况Q矿里工E技术h员不断深入现场反复探讨,攉W一资料Q报有关部门核实同意和认可,把原来留煤柱开采改为沿I送؜前进Q不留煤柱开采新技术,不仅节约l济开支,也大大地减少资源的浪贏V?BR>
    描杆技术防止支架蹦?BR>
    龙矿井下地质属于岩矻I掘进当头攄后,上的支架支护板q没有来得及(qing)受压Q第二次攄很容易造成支架y棚Q每ơ至蹦有两C架棚。一是工作上增加了工人的力_强度Q二是对安全生有很大的影响Q工E技术h员决定改用旧Lq行描杆和采用活动钢板固定获得成功,每次攄没有出现y棚架现象,由原来每?天只?.65个掘q工效增加到现在?.12个工效,大大地增强工时的利用Qؓ(f)职工减轻了劳动强度?BR>
    该矿改用q几Ҏ(gu)技术以来,效果显著Q不仅减M力_强度和避免了资源的浪费,qؓ(f)矉K节约大量的经开支,保持了稳产,高效、安全的奋斗目标?BR>


本网特约记者:(x)卢永?/td> ~?辑:(x)晓岚


本网特约记者:(x)卢永?/TD>      ~?辑:(x)晓岚
声明Q本|站新闻版权归煤炭资讯网与作者共同所有,M|络媒体或个{载,必须注明“来源:(x)煤炭资讯|(www.ducatiukracing.comQ及(qing)其原创作者”,否则本网保留追I其相关法律责Q的权利。{载是Z传递更多信息之目的Q若本网转蝲有来源标注错误或늊了?zhn)的合法权益,请作者持权属证明与本|联p(本网通讯员除外)Q我们将?qing)时更正、删除,谢谢?邮箱地址Q?017016419@qq.com
?


ȝ辑:(x)李光?nbsp;   副ȝQ韩一?nbsp; NQ王成祥、王金星   ȝQ欧阛_  ~辑Q杨建华Q网站监督)、黄永维、曹田升、陈茂春
备案序号Q渝ICP?7008517?1|渝公|安?0010702502224?/a>
?sh)话Q(023Q?8178780?3883284332
煤炭资讯|原中国煤炭新闻|?