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旧 Sep 22nd, 2020, 18:42     #21
HXS1966
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默认

定期清洁未必真的好;去掉一部分垢,会增加短期重金属物溶出增大的风险,这也是管道中水的PH不要有大的变化的原因。如果真的定期清洁,那么短期内不要用热水炉的水做饭或喝。
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