Indoor ornament, air conditioning and central heating system and a wide application of chemical articles in everyday have resulted in serious indoor air contamination.

由于室内装修、暖通空调及大量家用化工产品的使用，室内空气污染日趋严重。

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Efficient ventilation and sound air current are significant to improve indoor air quality, control the contamination concentration, and ensure the realization of healthy and comfort air-condition.

有效地通风和合理的气流组织对于改善室内空气品质，控制室内污染物浓度，保证实现健康建筑、健康舒适性空调有着重要的意义。

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Along with the development of the industrialization, contamination of indoor volatile pollutants in air is increasingly serious, also causes great damage to the health of human body.

随着工业化进程的不断推进，室内空气中的挥发性污染物对室内环境的污染日渐严重，对人体的健康也造成了很大危害。

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