“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	pedagogical dictionary pedagogic(al) grammar Pedagogical Lexicography pedagogical wisdom pedal pedal-cevian point pedal circle pedal coordinate pedal curve pedal disc pedal gland pedal line pedal point pedal polygon pedal surface pedal tetrahedron pedal transformation pedal triangle Pedantic Scholars pedding advertisement peddling language Pederson pedestal pedestal crater pedestrian and bicycle traffic system

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。