[KongchangAI]
Unverified80% confidenceCautionTime unknown

清洗后噪音改善主要来自涡轮动平衡恢复,若清洗前已出现金属摩擦声或轴承嗡鸣,清洗无法解决(属于电机轴承磨损),需更换电机而非清洗

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80%
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Long-term
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