conveyer reverse cover

例句：

1. 1. The conveyer belt is responsiblefor moving the goods from one side ofthe warehouse to the other.
   传送带负责将货物从仓库的一侧移动到另一侧。
2. 2. The conveyer belt is acrucial part of the manufacturing process.
   传送带是生产过程中至关重要的一部分。
3. 3. The conveyer beltis used to transport heavy materials efficiently.
   传送带被用来高效地运输重材料。