1)fire vent,事故排烟口2)smoke exhaust in accident,事故排烟3)emergency outlet,事故排水口4)emergencg outlet,事故排出口5)stack nozzle,烟囱排烟口6)accidental discharge,事故排放
用法例句
The impact of SO_2 accidental discharge on plants was assessed based on prediction results of SO_2 with different conversion rate in a four hundred thousand ton sulfur dioxide works attached to a large scale phosphoric acid-diammonium phosphate group.
