大气污染物扩散
atmospheric pollutant dispersion
街道峡谷污染物扩散模式
OSPM operational street pollution model
污染物扩散模型
model of pollution diffuses
污染物对流扩散
pollutants convection diffusion
污染物输移扩散
pollutant transport and dispersion
pollutant transport
污染物稀释扩散
dilution and transportation of contaminants
发动机排放污染物
Pollution from the engine exhaust
二恶英类持久性有机污染物
persistent organic pollutants of dioxins
恶臭污染物排放标准
emission standard for odor pollutants