In the manufacturing process of industry, the exhaust gas contain some harmful substance such as soot , sulfide , nitration , oil , and so on .是什么意思_In the manufacturing process of industry, the exhaust gas contain some harmful substance such as soot , sulfide , nitration , oil , and so on .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句