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为防止货物运输过程中洒落造成的污染，加强环境保护，日前、重汽集团专用汽车公司开发出一种带有摆杆式篷布盖的自卸车。目前使用的自卸车盖大多为金属结构，主要为前后开和左右开２种，驱动方式为液压驱动，结构复杂，成本较高，它在装载货物过高时，存在厢盖关闭不严现象。
In order to prevent pollution caused by spilled cargo during transport and to strengthen environmental protection, a special truck company of Sinotruk recently developed a dump truck with a swing-rod tarp covered. At present, most of the dumping covers are metal structures, mainly including two types of front and rear open and left and right driving modes, which are driven by hydraulic pressure. The structure is complicated and the cost is high. When the load is too high, there is a phenomenon that the cabin lid is not closed tightly.