车架、车身等部件的重量使弹性元件受到预压。
The weight of the frame, Body, and so on, applies an initial compression the springs.
这样可以吸收发动机的振动和噪音，阻止它们直接传到车架上，进而传给车身和乘客。
They thus absorb engine vibration and noise. They prevent this vibration and noise from being carried directly to the frame and consequently to the car Body and passengers.
更换车身或车架的。
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