The mine flooding happed during construction of the air shaft in Qidong Coal Mine.
祁东煤矿风井在建井过程中,发生钻井井壁突水事故,井筒被淹.
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This paper mainly presents the construction equipment complement for air shaft of Wuchiba tunnel.
本文主要介绍了乌池坝隧道通风竖井施工设备配套技术、竖井施工的提升、悬吊设备.
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