load line disc

例句：

1. 1.The engineer used a load line to calculatethe weight of the cargo.
   工程师使用一个负载线来计算货物的重量。
2. 2. The loadingline disc is crucial forensuring safe loading and unloadingoperations.
   装载线盘对于确保安全装卸操作至关重要。
3. 3. The loading line disc was designedto prevent overloading during transportation.
   装载线盘设计用来防止运输过程中的超载。