| 字词 | 矿井 |
| 释义 | •¶ 废矿井 an abandoned mine •¶ 一辈子在矿井下干活 work all one's life down the pit 矿井安全mine safety矿井等积孔mine equivalent orifice矿井地面grass矿井电缆borehole cable矿井定向仪shaft orientational instrument矿井服务年限mine service-life矿井火灾mine fire矿井架headstock矿井建设工期mine construction time矿井绞车well winch矿井卷扬机mine hoisting winch矿井开拓development矿井空气mine air矿井口pithead矿井密闭mine sealing矿井木工pitwright矿井区段mine block矿井入口处eye矿井事故mine accident矿井水mine water矿井水仓mine sump矿井水平(阶段)gurmy矿井司泵工pitwright矿井提升机mine hoist矿井提升信号shaft signaling矿井瓦斯damp; firedamp; mine gas矿井涌水swallet矿井涌水率单位miner's inch矿井支护mine support |
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