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to phrases
drag bit
construct.
刮刀〔翼状〕钻头
eng.geol.
鱼尾钻头
expl.
多刃旋转钻头
既有切削动作,又有硬金属片沿刃部的插人的旋转扩孔器式钻头
mech.
刮刀钻头
;
鱼尾【刮刀】钻头
oil
翼状钻头
tech.
磨削钻头
;
刮刀型钻头
;
割刀
;
镐
;
切削型钻头
;
十字镐
;
刮刀式钻头
drag bit
:
25 phrases
in 5 subjects
Drilling
3
Engineering geology
2
Metallurgy
1
Oil / petroleum
5
Technology
14
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