reverse conveyer pawl

例句：

1. 1.The reverse conveyer pawl was used to transport heavy materials.
   反向输送器爪被用来运输重物。
2. 2. The engineer designed the reverse conveyer pawl to improve efficiency.
   工程师设计了反向输送器爪以提高效率。
3. 3.The reverse conveyer pawl is a crucial component of the conveyor system.
   反向输送器爪是输送系统的关键部件。