hard hose for loading

例句：

1. 1.The hard hose for loading is essential for the operation of the conveyor system.
   用于装载的硬管对于输送系统的操作至关重要。
2. 2.We need to use a hard hose for loading to transport heavy materials.
   我们需要使用一根用于装载的硬管来运输重物。
3. 3. The hard hose for loading is made of high-density polyethylene, which makes it durable and resistant to wear.
   用于装载的硬管由高密度聚乙烯制成，这使得它耐用且抗磨损。