roller bit

roller bit读音音标

英 [ˈrəulə bit]

美 [ˈrolɚ bɪt]

roller bit意思解释

释义

牙轮钻头；

英英释义

n.

a drill bit that has hardened rotating rollers

同义词：rock bit

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。