A.2.0m B.2.2m C.2.4m D.2.6m
A.初步設(shè)計(jì) B.技術(shù)設(shè)計(jì) C.施工圖設(shè)計(jì) D.剖面設(shè)計(jì)
A.60mm B.80/mm C.100mm D.180mm