three roller bit的意思|示意
三牙轮钻头
three roller bit的网络常见释义
三牙轮钻头 ... three roll rubber calender 三辊筒橡胶压延机 three roller bit 三牙轮钻头 three separate set 三件套的套装 ...
three roller bit相关短语
1、 three-roller bit 三牙轮钻头
three roller bit相关例句
In this paper, on the basis of the results obtained from the bench and field tests of the three roller bit, its improving direction is approached.
本文以三牙轮钻头的台架试验和油气田现场试验的效果为依据，探讨三牙轮钻头的改进方向。