短語詞組短語clean top gas 凈化的爐頂煤氣clean producer gas 凈化發(fā)生爐煤氣clean flue gas damper 凈煙氣擋板clean gas outlet 凈化氣體出口;凈化氣出口clean gas bleeder 凈煤氣放出閥clean gas pipe 凈煙道clean gas fuel 潔凈氣體燃料clean gas heater 凈燃?xì)饧訜崞?/li>Clean gas source 潔凈氣源 返回 clean gas