回复：换油不能改善已经磨损的工况,所以帮助不大.

来源: brothernet 于 2010-04-20 06:43:38 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

If it's circuit malfunction, could that mean it's basically electrical problems, instead of mechanical damages?

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