lift-bolt

例句：

1. 1. The engineer used a lift bolt to lift the heavy machine onto the platform.
   工程师用一个提升螺栓将重机器提升到平台上。
2. 2. The car was lifted by a crane, and the driver had to wait patiently for it to be lowered.
   汽车被起重机吊起，司机必须耐心等待它降下来。