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水煮开后才喝安全吗?

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Uploaded by on Jan 9, 2009

Boiling water to drink, is that safe ?

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News & Politics

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Standard YouTube License

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  • @tltan86 don't drinks~

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

  • @lihui912 水管一定有裂缝的

    

  • 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?

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