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内容来自Android手机客户端
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spike_ppr:两种可能,一个是轴承内外圈的配合太紧了,导致内部游隙减小,此种情况只能换轴承;一个是内部进沙子了,这样的话轴承拆下来放汽油里洗洗,好了后擦干净重新上润滑脂 (2016-02-26 09:12)
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