ratchet gear

       
  • 棘轮

ratchet gear的用法和样例:

例句

  1. A ratchet allows a heavy weight to be raised in short successive stages.
    棘轮可在简短连续的步骤内就把一个重物抬高。
  2. As the piston descended, a ratchet engaged the piston rod and engine shaft and thus power was transmitted.
    当活塞下行时,棘轮连接活塞杆和发动机轴,因此将功率输送出去。

ratchet gear的相关资料:

临近单词

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