rotary dumping coal car

例句：

1. 1. The rotary dumping coal car is used for transportinglarge amounts of coal.
   旋转式倾卸煤炭卡车用于运输大量的煤炭。
2. 2. The rotarydumping coal car has a powerful engineand can move heavy loads quickly.
   旋转式倾卸煤炭卡车拥有强大的引擎，能够快速移动重载货物。
3. 3. The rotarydumping coal car is an essential toolfor mining operations.
   旋转式倾卸煤炭卡车是采矿作业中不可或缺的工具。