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冲洗钻孔
hydroel.st.
wash boring
(drilling)
tech.
wash boring
冲洗钻孔〔掘〕
coal.
wash drilling
construct.
wash boring
冲洗钻孔
在钻探工程中,利用水泵或空气压缩机将冲洗液输人孔内,形成循环流动,以冷却钻头、保护孔壁和将岩屑〈粉〉携带出孔口的作业
expl.
flush of the hole
冲洗钻孔
:
11 phrases
in 3 subjects
Engineering geology
2
Explosives and Explosive Ordnance Disposal
4
Technology
5
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