英语词汇tunnel maintenance怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	tunnel maintenance
释义	tunnel — 隧 • 隧道 • 地道 • 坑 • 坑道 • 地下通道 • 隧洞 • 甬道 maintenance n — 保持 n • 维持 n • 赡养费 n • 定期维修 n
随便看	requiredness required notification required nowadays required number required number of copies required number of hours require doctors require documentation required offices required of you required on an ongoing basis required on site required on your part required operating system required operation required or authorized by law required or permitted required or permitted by law required outcomes required output required over and above require down payment required paint required participants required penetration

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

tunnel —