螺栓和垫圈都应该选纯黄铜或不锈钢镀铜的十年就开始漏

来源: bashfulx 于 2022-12-20 06:52:13 [旧帖] [给我悄悄话] 本文已被阅读：次

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螺栓和垫圈都应该选纯黄铜或不锈钢 镀铜的十年就开始漏