邊個牌子生物環養菌量最多？ [複製鏈接]

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樓主

發表於 2014-12-11 01:30:37 |顯示全部樓層

freeman20134 發表於 2014-12-10 18:03
乜嘢叫反銷化作用啊？

nitrifying and denitrifying

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沙發

發表於 2014-12-11 01:32:02 |顯示全部樓層

點解好小人用matrix石仔？！

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