A.1980mm*1420mmB.1760mm*1291mmC.1200mm*1000mmD.1900mm*1200mm
A.加多搬運次數(shù)B.便于裝卸搬運C.縮短運輸工具的周轉(zhuǎn)D.拉長送貨時間
A.自重量小B.返空容易C.本身造價高D.露天存放困難