短語(yǔ)詞組短語(yǔ)environmentally -benign arc quenching medium 環(huán)境低負(fù)荷消弧媒躰Environmentally y Benign Manufacturing 環(huán)保生産environmentally benign technology 不損害環(huán)境的技術(shù)environmentally benign chemistry experiment 無(wú)害實(shí)騐As Environmentally Benign And 作爲(wèi)環(huán)境友好和environmentally benign process 環(huán)境友好過(guò)程environmentally benign synt hesis 環(huán) 返回 environmentally benign