pushframe

例句：

1. 1.The engineer designed a pusher frame toimprove the efficiency of the machine.
   工程师设计了一个推车框架来提高机器的效率。
2. 2.The new pusher frame has been installedin the factory's assembly line.
   新的推车框架已经在工厂的装配线上安装好了。
3. 3. The pusher frame is essentialfor maintaining the stability of the vehicle duringacceleration.
   推车框架对于保持车辆在加速过程中的稳定性至关重要。