“无砟道床”的概念、定义、翻译、参考文献-科学参考

单词	无砟道床
释义	无砟道床 Encyclopedia 工学道床结构释 ballastless track无砟道床不用道砟铺设的道床。又称整体道床，是相对于有砟道床而言的。通常以钢筋（或沥青）混凝土取代传统的道砟作为道床材料。钢筋混凝土可以在现场浇筑，也可采用预制件，或者两者相结合。无砟道床适用于坚实基础，如隧道、桥梁和经过加强处理的土质路基。
随便看	surface band surface barrier surface blasting surface boiling surface breakdown surface bridge bond energy level surface bridge bond state surface brightness surface brightness fluctuation surface-brightness fluctuation surface-brightness fluctuation technique surface brightness method surface brightness profile surface brightness temperature surface calculation model surface case surface casing drilling technology surface catalysis surface catalytic reaction surface channel surface channel CCD surface characteristics of crude drugs surface characterization testing surface charge surface charge density

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。