gear wheel drilling machine

 
  • 齿轮钻机

gear wheel drilling machine的用法和样例:

例句

  1. After he invented the new drilling machine, honors were thrust upon him.
    他发明了新的钻机之后,许多荣耀都加在他的身上了。
  2. A machine in the tower gradually cuts a narrow hole down into the ground.
    井架内的钻机渐渐地往地下钻出一个小洞来。

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