A.滲濾液對(duì)環(huán)境的影響 B.大氣環(huán)境惡化對(duì)經(jīng)濟(jì)的影響 C.機(jī)械噪聲、振動(dòng)對(duì)環(huán)境的影響 D.釋放氣體對(duì)環(huán)境的影響
A.5um B.10um C.15um D.20um
A.95.6% B.93.3% C.92.2% D.88.9%