tow collecting machine

例句：

1. 1.The tow collecting machine was used to pull the heavy cargo.
   拖拉收集机被用来拖拉重货。
2. 2.The tow collecting machine is essential for transporting large loads.
   拖拉收集机对于运输大型货物至关重要。
3. 3.The tow collecting machine was designed to be easy to operate and maintain.
   拖拉收集机设计得易于操作和维护。