“ballast bed”的概念、定义、翻译、参考文献-科学参考

单词	ballast bed
释义	ballast bed Encyclopedia 工学[轨道部件]释 ballast bed碎石道床用散粒体碎石道砟构筑的轨下基础。
随便看	source of error source of information source of innovation source of international tax law source of public security intelligence source of selected titles source of variation Source of War in the Far East source particle source peeling source place source plasma source plasma collection source plasma management source [point] source point source population source position source program source quench Source range sub-system source rate source reactor source recognition source-reservoir combination

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。