就一铁皮罐加压装些液态R-134A，能有啥自动封口开关？

来源: MoonRiverMe 于 2020-07-15 15:42:04 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

问题在你的charge hose/valve.

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