英语词汇maintenance challenges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	maintenance challenges
释义	maintenance n — 保持 n • 维持 n • 赡养费 n • 定期维修 n challenges pl — 挑战 n challenge n — 挑战 n • 难题 n • 质疑 n challenge v — 挑战 v • 质疑 v • 怀疑 v challenge — 将军
随便看	automatic control device automatic control engineering automatic control equipment automatic control field automatic controller automatic control mode automatic control technology automatic control test automatic control unit automatic control valve automatic conversion automatic conveyor automatic cooking automatic core Shooters automatic correction automatic correction of the flight weight. automatic counter automatic coupler automatic coupling automatic cover automatic crane automatic creation automatic crimping machine automatic crop automatic cruise

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。

maintenance n —