The purifier not only provide higher concentration negative ion, but improve indoor air quality of dry cleaner places.
结论该净化器不仅给干洗场所增添高浓度负离子，同时对净化干洗场所室内空气质量有明显效果。
The purifier not only provide higher concentration negative ion, but improve indoor air quality of dry cleaner places.
结论该净化器不仅给干洗场所增添高浓度负离子，同时对净化干洗场所室内空气质量有明显效果。
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