本实用新型的这种结构可增加后悬架的动行程，降低车架上表面离地高度。
The structure can increase the dynamic travel of a rear suspension frame and reduce the height from the upper surface of the frame to the ground.
本实用新型的这种结构可增加后悬架的动行程，降低车架上表面离地高度。
The structure can increase the dynamic travel of a rear suspension frame and reduce the height from the upper surface of the frame to the ground.
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