One plane of the rear-floor strengthening beam is a rearspring supporting seat surface, the rearspring is installed at the lower surface of the rearspring supporting seat surface;
所述后地板加强梁上的一平面为后弹簧支座面，后弹簧安装在后弹簧支 座面的下表面；
2
There are different types of springs used at the front and rear wheels. Regard less of the type of spring, all work in a similar manner.
汽车的前轮和后轮使用不同的弹性元件。不考虑其类型，所有的弹性元件的工作原理都是相似的。
3
Positions 3 to 5 increase spring preload for a stiffer rear suspension, and can be used when the motorcycle is more heavily loaded.