A.再生段開(kāi)銷和復(fù)用段開(kāi)銷 B.中繼段開(kāi)銷和復(fù)用段開(kāi)銷 C.中繼段開(kāi)銷和再生段開(kāi)銷
A.32 B.512 C.480
A.二 B.十 C.八