blow-down pit 泄料坑 ; 放空池
blow down pit 放定池
up-pit and down-pit mining method 上
take down the mortar pit 取下来的迫击炮坑 ; 记下砂浆坑 ; 采取了迫击炮坑
So he went his own way, had always plenty of friends, always a good job down pit.
就这样，他按自己的方式生活，一直有很多朋友，一直在矿上做着那份不错的工作。
The pit is being shut down because it no longer has enough coal that can be mined economically.
那个煤矿要关闭了，因为储量不足，难以经济开采。
He struck down two of Moab's best men. He also went down into a pit on a snowy day and killed a lion.
有甲薛勇士耶何耶大的儿子比拿雅行过大能的事，他杀了摩押人亚利伊勒的两个儿子，又在下雪的时候下坑里去杀了一个狮子
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