backplate assembly

例句：

1. 1.The engineers assembled the backplate for the new car.
   工程师们组装了新车的背板。
2. 2.The backplate assembly is a critical component of the engine.
   背板组装是发动机的一个关键部件。
3. 3.The assembly line was designed to efficiently produce the backplate assembly.
   生产线的设计是为了高效地生产背板组装。