A.0.108 B.0.123 C.0.08 D.0.15
關(guān)于圖中設(shè)計(jì)尺寸正確的是:()
A.a≥500mm; B.b≥500mm; C.c≥250mm,b≥500mm; D.d≥500mm
A.20-30米3 B.80-150米3 C.300-500米3 D.40-50米3