roller bit

听听怎么读
英 [ˈrəulə bit]
美 [ˈrolɚ bɪt]
是什么意思
  • 释义

    牙轮钻头;

  • 英英释义

    roller bit

    • n.a drill bit that has hardened rotating rollers

      同义词:rock bit

    学习怎么用

    双语例句

    1. 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。

    权威例句

    Roller bit
    Roller bit
    Roller bit
    Polycrystalline diamond bearing system for a roller cone rock bit
    The Computer Simulation of the Interaction Between Roller Bit and Rock
    The Forces at the Teeth of a Drilling Rollercone Bit: Theory and Experiment
    Roller Bit Model With Rock Ductility and Cone Offset
    Roller-Bit Penetration Rate Response as a Function of Rock Properties and Well Depth
    Factors Affecting Torque for a Roller Cone Bit
    Modeling of Roller Cone Bit Lift-Off Dynamics in Rotary Drilling
    Theoretical research of rock bit roller bearing
    Optimal design of sliding bearings for roller bit with contact FEA
    Emulation research on dynamics of roller cone bit