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jump drilling
archit. 冲击钻孔
construct. 撞〔索〕钻
el. 冲击钻进
eng.geol. 钢绳冲击钻进
expl. 钢绳冲击式凿岩
tech. 撞钻; 冲钻; 冲击钻井; 索钻

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