非烃类化合物
非烃类化合物-
非烃类化合物的污染主要表现为酞酸酯和苯酚类化合物的污染。
The pollution of non-hydrocarbons was the main pollution of phthalidyl and phenol compounds .
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白天ρ（非烃类化合物）随机动车流量的增加而增加，夜晚机动车流量减小，但ρ（非烃类化合物）却高于白天，显示出大型柴油车的主要影响和贡献；
At night the flux of vehicles was less , but the mass concentration of non-hydrocarbons was higher than that in the daytime because of the main influence of the emission of diesel vehicles .