A.50m B.70m C.100m D.120m
A.建設(shè)單位B.設(shè)計(jì)單位C.施工單位D.監(jiān)理單位
A.再生式轉(zhuǎn)型B.轉(zhuǎn)讓式轉(zhuǎn)型C.政府干預(yù)