证明了问题在于设计材料或工艺。用HD的universal产品多年更换中还没出现过问题。另一类密封圈易老化变形漏水可更换。

来源: IEbird 于 2024-03-13 09:19:07 [旧帖] [给我悄悄话] 本文已被阅读：次

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