中华人民共和国铁路行业标准 (Railway Industry Standards)China权威分: 58
TB/T 2923
Technical specification for rail welded joints
行业
Railway
产品类别
General Railway
关键词
["铁路","焊接","railway","weld","joint"]
Technical specification for rail welded joints
Railway
General Railway
["铁路","焊接","railway","weld","joint"]