“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	regional geological survey (scale:1:500 000) regional geological survey (scale:1∶1000000) regional geological survey (scale:1∶50 000) regional geological survey (scale∶1∶250 000) regional geology regional geology of China regional geomorphology regional governance Regional Government regional gravity anomaly regional gravity field model regional gravity information system regional grouping of economy regional growth linkage regional growth transmission Regional Health Information Platform regional health information systems regional health planning regional heating source regional historical geography regional history regional history hypothesis regional homogeneity regional hydrogeological survey regional hydrology

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。