Unusual values of carbon monoxide concentrations and volatile organic gas concentrations were investigated when observed.

监测中发现了一氧化碳浓度和挥发性有机气体浓度的不寻常价值。

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The air purifier features simple structure and convenient adaptation, very high purifying rate of volatile organic gas and is mainly applicable to indoor air pollution control.

本发明结构简单，适应方便，对挥发性有机气体具有非常高的净化率，主要适应于室内空气污染控制。

youdao

The air cleaner features simple structure, convenient adaptation, and very high purifying rate of volatile organic gas and is mainly applicable to the indoor air pollution control.

本发明结构简单，适应方便，对挥发性有机气体具有非常高的净化率，主要适应于室内空气污染控制。

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Preventing leaks also cuts back on other air pollutants associated with gas production and use, including such volatile organic compounds as ethane and butane.

WSJ: Is Natural Gas the Road to a Clean Energy Future?