由 于特种工作的需要 ,矿业、油田、林业、军队等部门经常在野外 (山区、沼泽、沙漠、泥泞等无路地带 )作业 ,工作环境极其苛刻 ,担任运输、勘探任务的越野车辆经常陷入地面 ,即使使用全轮驱动也无法驶出险境 ,影响工作任务的完成。因此 ,对于越野汽车来说 ,为了保证车辆的正常 Due to the special needs of the work, mining, oil fields, forestry, military and other departments are often in the field (mountains, swamps, deserts, muddy and other no-load zone) operations, the working environment is extremely harsh, transportation, exploration tasks off-road vehicles often plunged into the ground, Even with the all-wheel drive can not be out of danger, affecting the completion of the task. Therefore, for off-road vehicles, in order to ensure the normal vehicle