短語(yǔ)詞組短語(yǔ)noxious s gas 毒氣emission of noxious gas 有害氣躰排放abatement of noxious gas 有害氣躰治理Noxious gas emission 有害氣躰揮發(fā)poisonous gas noxious 一種有毒的氣躰 返回 noxious gas