The weight of the frame, Body, and so on, applies an initial compression the springs.
车架、车身等部件的重量使弹性元件受到预压。
The second body from the right shows a greater degree of compression than the others.
从右侧数第二块椎骨显示出更明显的椎体受压。
The second body from the right shows a greater degree of compression than the others.
从右侧数第二块椎骨显示出更明显的椎体受压。
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