中华人民共和国铁路行业标准 (Railway Industry Standards)China权威分: 58
TB/T 2331
Railway ballasted track — Under ballast mats
行业
Railway
产品类别
Ballast Mat
关键词
["铁路","道砟垫","railway","ballast","mat"]
Railway ballasted track — Under ballast mats
Railway
Ballast Mat
["铁路","道砟垫","railway","ballast","mat"]