“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	fire elevator fire emergency broadcast system fire emergency lighting and evacuating system fire emergency lighting device fire emergency rescue fire endurance of building member fire engines fire equipment fire evacuation fire evidence collection fire extinguisher fire extinguishing system fire extinguishment fire factor firefighter firefighter protective equipments firefighters' lift fire fighting firefighting and rescue equipments fire-fighting clothing firefighting command firefighting command decision fire fighting commander fire-fighting emergency rescue management firefighting equipments

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。