建筑安全等级
safety grade of architecture
建筑地盘安全手册
construction site safety manual
建筑工地安全实务手册
construction site safety handbook
建筑结构安全等级
safety classes of building structures
江苏省安全生产科学研究院
Jiangsu Academy of Safety Science and Technology
江苏省海安县环保局
Haian County EPB of Jiangshu Province
江苏省水文水资源勘测局淮安分局
Huai’an Branch Bureau
Jiangsu Provincial Bureau of Hydrology and Water Resource Survey