通常都是橡胶密封圈老化引起，我用AT-205保养，50/50水稀释液浸泡或喷敷，问题大多能解决

来源: mountrobson 于 2024-12-30 11:37:46 [旧帖] [给我悄悄话] 本文已被阅读：次

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