轴承磨耗后，声音很响，有难忍感觉。干磨和有润滑油的磨擦不一样啊。

来源: needtime 于 2017-10-09 08:39:24 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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轴承磨耗后， 声音很响，有难忍感觉。干磨和有润滑油的磨擦不一样啊。