cranking bar

例句：

1. 1. The mechanic used a cranking bar to start the engine.
   机械师使用一个点火棒来启动发动机。
2. 2.He carefully inserted the cranking bar into the socket and turned it clockwise.
   他小心地把点火棒插入插座，然后顺时针转动它。
3. 3. After the car was started, he removed the cranking bar and replaced it with a new one.
   汽车启动后，他取下点火棒并用一个新的替换了它。