The dispersion situation along typical roads was simulated using the line source dispersion model-CALINE4, developed by California traffic department and recommended by USEPA.是什么意思_The dispersion situation along typical roads was simulated using the line source dispersion model-CALINE4, developed by California traffic department and recommended by USEPA.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句