A.綠點(diǎn) B.紅點(diǎn) C.環(huán)保衛(wèi)士 D.綠箭
A.焚燒或粉碎 B.掩埋或混合 C.掩埋或焚燒 D.垃圾中轉(zhuǎn)站
A.350,45%,55% B.500,25%,50% C.400,40%,50% D.400,80%,50%