transport roller

例句：

1. 1. The transportroller is used to transport goods from oneplace to another.
   运输滚轮用于将货物从一个地点运输到另一个地点。
2. 2. The conveyor belt is essential for efficient production infactories.
   传送带对于工厂的高效生产至关重要。
3. 3. The transport roller is a crucial componentof the transportation system.
   运输滚轮是运输系统的关键组成部分。