Cement concrete as a large class of building materials has a wide range of using for different purposes, and the national standard has detailspecifications.
水泥混凝土作为一大类建筑材料，有着广泛的用途，针对不同的用途，国家标准中有详细规范要求。
2
All field welds and connections shall be clearly marked on the drawings. Design criteria, calculations and detailspecifications shall also be submitted with the drawings.
全部的现场焊接和组装应在图纸中清楚的标出。设计标准，计算结果以及详细说明应与图纸一并呈递。
3
To enforce consistent detail in the unit test specifications, we included them in the peer review process.