JTJ 311-97 通航海轮桥梁通航标准
JTJ 311-97 Bridge Navigation Standard for Seagoing Vessel.1总则1.0.1 为使通航海轮桥梁的通航标准...
行业标准2023.07.18
JTJ 324-2006 疏浚与吹填工程质量检验标准
JTJ 324-2006 Standards for Quality Inspection of Dredging and Reclamation Works....
行业标准2023.07.18
JTJ 311-97 Bridge Navigation Standard for Seagoing Vessel.1总则1.0.1 为使通航海轮桥梁的通航标准...
行业标准2023.07.18
JTJ 324-2006 Standards for Quality Inspection of Dredging and Reclamation Works....
行业标准2023.07.18