A.10% B.15% C.30% D.40%
A.小于50mB.大于50mC.大于60mD.小于30m
A.設(shè)計(jì)方案 B.初步設(shè)計(jì) C.整個工程投資概算 D.施工圖設(shè)計(jì)階段