道床板 meaning in English
road bed slab
Examples
- Study of u shaped girder with pre - cast main beam and cast in - situ slab
预制主梁现浇道床板的槽形梁研究 - Construction technique for precise controlling and measuring roadbed slab of long sleeper buried type ballastless track
长枕埋入式无碴轨道道床板精确控制测量施工技术