且这些二次污染物有的进一步交叉、作用，使矿山药剂的二次污染链延伸。
And these secondary pollutants of mineral reagents can enlarge the scale of pollution, and increase the complexity of pollution.
对大气边界层内大气湍流和建筑物对道路交叉口处机动车排放气态污染物扩散的影响进行了研究。
The effect of atmospheric turbulence and buildings on the dispersion of gaseous pollutants emitted from motor sources was investigated at the road intersection in the atmospheric boundary layer.
新风与室内的污浊空气混合，污染物充斥整个房间，虽然浓度得到稀释，可容易造成交叉感染。
New wind mixed with indoor polluted air, the pollutants are filled with the room, although concentrations are diluted, it is easily to create cross-infection.
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