A.O. Smith 精鋼系列✿ #不鏽鋼換熱器-不鏽鋼換熱器在抗腐蝕上有著很強表現能力。 眾所周知，熱水器內部常見的冷凝水和水質中的硫酸、 氯等腐蝕離子，會對換熱器起到 ... ... <看更多>

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