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

单词	tunnel maintenance
释义	tunnel maintenance Encyclopedia 工学土木工程养护技术释 tunnel maintenance隧道养护为保持隧道土建结构正常使用而进行的清洁、保养等技术性维护工作。
随便看	governmental bonds Governmental electronic commerce procurement/ electronic commerce for public sector purchasing governmental image governmentality governmental management of environment governmental responsibility on environment and resources government application support technology government appointment as an incentive for donation government archives of Nanbu County, Sichuan Province in the Qing Dynasty Government Archives of the Ming Court government auditing government-based sport system government budget revision government-business relation government by law government cash budget government cash management government censorship government centralized procurement agency government cloud government communication government competitive intelligence government consumption expenditure government contingent liabilities government controlled and supported artisans and merchants

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。