气体污染物 meaning in English

gaseous pollutants

Compressed air for general use - test methods for gaseous contaminant content
一般用途压缩空气.气体污染物含量的试验方法
Road vehicles . measurement methods for gaseous pollutants emitted by mopeds equipped with a controlled ignition engine
道路车辆.由装有控制点火发动机的机动脚踏两用车排气的气体污染物的测量方法
It is especially advantageous to use the adsorption operation for treating gaseous pollution with low concentrations of pollutants such as odor and organic solvent vapor
尤其是处理含有低浓度气体污染物质具有优势，因此很适合用来控制排放之臭味问题或有机溶剂蒸气问题。