水煮开后才喝安全吗？
2:11
Added: 3 years ago
From: Angkasa59
Views: 41,872
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  • 她用硝酸銀做的實驗耶……那麼其他的硝酸鹽呢？

    經過處理的水源不應該含有銀的成分吧？

    那水管裡的硝酸又是打哪來的呢？

    lihui912 1 year ago

  • @lihui912 水管一定有裂缝的

    

    jellyfish007 1 year ago

  • Solutions?

    tltan86 1 year ago

  • @tltan86 home pure is the solution. german engenering and jap technology water-filter. I like it so much~~^^

    0207weiwei 1 year ago

  • @tltan86 don't drinks~

    lihui912 1 year ago

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