“track maintenance”的概念、定义、翻译、参考文献-科学参考

单词	track maintenance
释义	track maintenance Encyclopedia 工学土木工程养护技术释 track maintenance轨道养护为保证列车安全、平稳、不间断运行而开展的各项轨道养护作业，包括轨道更新和经常性维修工作。
随便看	semireflexive space semireflexivity semi-regenerative reforming semiregular semiregular group semiregularity semi-regular one-parameter subgroup semiregular one parameter subgroup semiregular point semiregular polygon semiregular polyhedron semiregular polytope semiregular ring semiregular space semiregular tessellation semiregular topology semi regular torus semi-regular torus semiregular torus semiregular transformation semi-regular variable semi-regular variable star semi-relative semiremote semi-representable function

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。