A.設(shè)計依據(jù) B.設(shè)計說明 C.設(shè)計方案 D.設(shè)計變更
A.1m B.2m C.3m D.4m
A.40mm~60mm,100mm B.80mm~100mm,100mm C.40mm~60mm,200mm D.80mm~100mm,200mm