
Standard Test Method for Full Scale Bending Test of Spun Prestressed Concrete Bases for Tapered Steel Lighting Poles
出版:American Society for Testing and Materials

專家解讀視頻
Standard Test Method for Full Scale Bending Test of Spun Prestressed Concrete Bases for Tapered Steel Lighting Poles
出版:American Society for Testing and Materials
專家解讀視頻