[閒聊] 蘭陵王-楊雪舞的石子過濾清水的方法可行?
很好奇
楊雪舞的用石子過濾出清水的方法
現實中真的可行嗎??
不管倒多少次水都可以過濾嗎?
這樣過濾出來的水 真的就可以直接飲用?
感覺那些石子能吸附的髒污也很有限阿@@
似乎很快就要再換新的布 和新石子了./.
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