科学技术名词为您提供整体道床,monolithic concrete bed;integrated ballast bed,整体道床的意思,monolithic concrete bed;integrated ballast bed的意思,整体道床的英文,monolithic concrete bed;integrated ballast bed的翻译,整体道床的翻译,整体道床是什么意思,整体道床什么意思,monolithic concrete bed;integrated ballast bed是什么意思,monolithic concrete bed;integrated ballast bed什么意思