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the well under coal mine

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  • 煤矿井下

双语例句

    1. In the mine drainage system many drainage pumps must work correspondly.
      摘要在煤矿井下的排水系统中,需要多台排水泵协调地工作。
    2. The research on probing into water bearing structure and watery of fore and lateral survey under coal mine is made by TEM.
      利用瞬变电磁法在煤矿井下巷道开展了超前和侧向探测含水构造及富水性的试验研究。

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