A.從根本上消減廢棄物B.主動(dòng)預(yù)防的戰(zhàn)略C.具有良好的經(jīng)濟(jì)收益D.投資大
A.能源問(wèn)題B.資源問(wèn)題C.環(huán)境問(wèn)題D.經(jīng)濟(jì)問(wèn)題
A.浸提液大量回用B.有效節(jié)能C.投資低D.減少污染物排放