the xiao poem, in order to maintain the device.

摘要

the height of the trailer chassis in order to keep a certain device (12) of the trailer frame (14, 50), and the loading can be located between the position and the movement of the component can be composed of (60). be located in the truck's axle (16) and the wheel (18) has a stop limit to exercise freely. zhang's position as the rotating frame (60) of the trailer (14) and the suspension to limit relative movement between the trailer to the creep limit.