roller bit
英
美
- 牙轮钻头
详细释义
Noun:
-
a drill bit that has hardened rotating rollers
双语例句
- The desig ner should consider comprehensively the effect of structure data and radial clea rance on the life of the roller bearing, in order to make optimum design.
钻头设计要优化轴承结构参数和径向游隙，以提高国产牙轮钻头的寿命。
相关词汇
- rock bit 凿岩钻头
【近义词】
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