
Standard Specification for Manufacture of Precast Reinforced Concrete Three-Sided Structures for Culverts and Storm Drains (Metric)
出版:American Society for Testing and Materials

专家解读视频
Standard Specification for Manufacture of Precast Reinforced Concrete Three-Sided Structures for Culverts and Storm Drains (Metric)
出版:American Society for Testing and Materials
专家解读视频