井筒 - 关于井筒的双语例句 - 井筒造句 - 语文书

为您找到3个与“井筒”相关的双语例句：

The Tonglu Mountain Copper Mine used an elaborate system of timbering support the working areas.
铜绿山古矿井采用符合力学原理的木框架支护技术,框外用木棍、木板作护壁,组成完整安全的井筒.
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.
The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.
屯留煤矿副井井筒表土段采用普通法施工,利用井外降水井疏干降水.