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B型地铁列车在轴箱组成部分，轴箱体、轴承、防尘挡圈可以互换。（）

发布于 2023-03-18 18:36:44

【单选题】
A 对
B 错

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Topophilia 2023-03-18

天生傲骨，怎能服输。

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喵星人fight！

一个爱好旅行的漂亮妹子。

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