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冲洗钻孔〔掘〕
coal. wash drilling
construct. wash boring
冲洗钻孔
hydroel.st. wash boring (drilling)
tech. 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 geology2
Explosives and Explosive Ordnance Disposal4
Technology5

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