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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
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Technology
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