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正循环冲洗冲洗液从钻具内孔输人孔底，然后携带岩屑〈粉〉从钻具与孔壁之间的环形空隙返回地表的冲洗方法 zhēngxúnhuánchōngxǐ
expl. direct flushing; direct circulation flushing
正循环冲洗【岩】 zhēngxúnhuánchōngxǐ
tech. direct circulation washing; direct flushing
正循环冲洗 zhēngxúnhuánchōngxǐ
dril. direct flushing
正循环冲 洗
: 1 phrase in 1 subject
Technology1

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