空气净化物（6）可为竹炭粒。
The air purification agent (6) can be bamboo charcoal tablets.
本发明涉及一种负离子室内空气净化物及其制备方法。
The invention relates to a negative ion indoor air purificant and a method for preparing the same.
目的观察研制的坑道空气净化装置对多种挥发性有机物的净化效果。
Abstract To survey the purifying effect of the tunnel air purification device on typical volatilie organic substances.
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