
Standard Practice for Making Test Cylinders and Prisms for Determining Strength and Density of Preplaced-Aggregate Concrete in the Laboratory
出版:American Society for Testing and Materials

專家解讀視頻
Standard Practice for Making Test Cylinders and Prisms for Determining Strength and Density of Preplaced-Aggregate Concrete in the Laboratory
出版:American Society for Testing and Materials
專家解讀視頻