通常都是橡膠密封圈老化引起，我用AT-205保養，50/50水稀釋液浸泡或噴敷，問題大多能解決

來源: mountrobson 於 2024-12-30 11:37:46 [舊帖] [給我悄悄話] 本文已被閱讀：次

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