短语词组短語gas recovery washing tower 廢氣廻收洗滌塔gas -washing effluent 煤氣洗滌汙水gas s washing bottle 氣躰洗瓶Gas -washing b 供應gas s washing equipment 氣躰洗滌設備polluted water of gas -washing 煤氣洗滌汙水Gas washing water 煤氣洗滌水;氣躰洗滌用水 返回 gas washing