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drill head
gen. 钻床主轴箱〔床头箱〕; 钻削动力头; 钻头头部
earth.sc. 钎头
eng.geol. 钻头
tech. 钻床床轴头箱
drill head
: 25 phrases in 5 subjects
Drilling2
Ecology1
Oil / petroleum1
Shipbuilding1
Technology20