Right! I figured out. I’m just surprised they use extension cord

来源: sac 于 2020-10-30 12:39:51 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: Water softener is ion exchanger. 由 nyjg 于 2020-10-30 12:36:25
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