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to phrases
direct flushing
dril.
正循环冲洗
eng.geol.
正循环洗孔
expl.
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
oil
正循环洗井
tech.
正循环冲洗【岩】
;
正洗井
;
正冲件
direct flushing
:
2 phrases
in 2 subjects
Explosives and Explosive Ordnance Disposal
1
Technology
1
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