伸缩式减震器：计件形成的两平行管，每组由两部分组成，一并附其他。
Telescopic shock absorber: piece formed of two parallel tubes, each consisting of two parts, one enclosing the other.
伸缩式减震器：计件形成的两平行管，每组由两部分组成，一并附其他。
Telescopic shock absorber: piece formed of two parallel tubes, each consisting of two parts, one enclosing the other.
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