拆除危险构筑物通知书
dangerous structure removal notice
挡水构筑物
liquid-retaining structure
挡土构筑物
retaining structure
earth-retaining structure
地下构筑物
underground structure seepage-proof
underground building
underground artificial constructions
underground Structure
underground structures
underground metal objec t
典型排泥构筑物
Typical structure of sludge discharging
电厂建(构)筑物
power station constructions
分体构筑物工艺流程要求
Technology requirements for diverse process
钢筋混凝土构筑物
Reinforced concrete structure
reinforced concrete structures