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我们每天喝的水里都有什么?

lihangfei (25)in #water • 3 years ago

成分有:H₂O,其他成分.氟化物,钠,砷,铅,氯.如果不确定水的安全性,可以将它煮开之后再使用。煮开可以过滤掉会使人生病的细菌、病毒和其他有机体。

3 years ago in #water by lihangfei (25)
100%
    10%25%50%75%100%
    $0.00
      1 vote
      • + isnochys
      Reply 0