CRH2A

升弓装置气囊安装牢固无老化，当气囊存在龟裂深度达到或超过1.2mm且龟裂长度达到或超过_______的单个龟裂，或可见内部的编织层时，需更换气囊。

发布于 2021-04-04 10:07:56

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