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to phrases
tricone bit
dril.
三牙轮钻头
eng.geol.
三锥形钻头
oil
三刃钻头
tech.
三锥齿轮钻头
tricone
rolling cone
bit
expl.
三牙轮钻头
具有破裂作用的牙轮钻头,由三个装有钢齿或硬质合金镶嵌的锥形轮组成
tricone bit
:
9 phrases
in 3 subjects
Drilling
1
Oil / petroleum
3
Technology
5
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