- [采矿工程] mine; pit; grube; groove; shaft; wheal; underground mine 短语和例子
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; 矿井火灾 mine fire; 矿井空气 mine air; 矿井事故 mine accident; 矿井瓦斯 damp; firedamp; mine gas; 矿井支护 mine support
- 废矿井: an abandoned mine
- 矿井泵: pit pump; shaft pump
- 矿井口: pit head
- 矿井气: mine gas
- 矿井水: mine water; pit water
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