SYS580H和SYS630H分fen別bie裝zhuang用yong於yu青qing藏zang鐵tie路lu客ke車che和he公gong務wu車che。該gai兩liang種zhong型xing號hao空kong氣qi彈dan簧huang根gen據ju青qing藏zang鐵tie路lu的de運yun用yong環huan境jing,對dui橡xiang膠jiao配pei方fang和he空kong簧huang結jie構gou進jin行xing了le優you化hua和he改gai進jin,提ti高gao了le空kong簧huang的de低di溫wen密mi封feng性xing能neng和he膠jiao囊nang的de耐nai老lao化hua性xing能neng和he抗kang紫zi外wai線xian能neng力li。
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