winch pinion

例句：

1. 1. The winch pinion is the part of the winch that turns the rope to raise or lower a heavy object.
   绞车齿轮是绞车的部件，它转动绳索来提升或降低重物。
2. 2. The winch pinion was designed to be easily replaced, ensuring smooth operation of the winch.
   绞车齿轮设计为容易更换，确保绞车的平稳运行。
3. 3. The winch pinion was damaged during the construction, requiring immediate repair.
   绞车齿轮在施工过程中受损，需要立即修复。