roof-supported wire rope conveyor

例句：

1. 1. The roof-supportedwire rope conveyor is used to transportheavy materials from the top floor to theground floor.
   屋顶支撑的钢丝绳输送带用于将重物从顶层运输到底层。
2. 2. The roof-supported wire rope conveyor is an essential tool for construction workers.
   屋顶支撑的钢丝绳输送带是建筑工人的重要工具。
3. 3. The roof-supported wirerope conveyor was installed in the factoryto improve efficiency and reduce labor costs.
   在工厂安装屋顶支撑的钢丝绳输送带是为了提高效率和减少劳动力成本。