Technical sqecification for strengthening concrete structures with grid rebar and mortat Technical specification for concrete structures with specially shaped columns Technical specification for fiber reinforced concrete structures of railway engineering 并列题名：Technical specification for fiber reinforced concrete structures of railway engineering Technical specification for inspection of concrete compressive strength by rebound method 并列题名：Technical specification for concrete structures with specially shaped columns Technical Specification for Concrete Structures of Tall Building Technical specification for concrete structures prestressed with unbonded tendons Technical specifications for strengthening of highway tunnel