hoist piston rod

例句：

1. 1.The engineer hoisted the heavy piston rod to lift the car.
   工程师将沉重的活塞杆提起以升起汽车。
2. 2.The mechanics had to hoist the piston rod out of the engine.
   机械师不得不将活塞杆从引擎中抽出。
3. 3.The technician carefully hoisted the piston rod to ensure it was in the correct position.
   技术员小心地提起活塞杆以确保其处于正确位置。