英语词汇annual preventive 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	annual preventive maintenance
释义	annual adj — 每年 adv • 全年 adj • 年度 adv preventive adj — 预防性 adj maintenance n — 保持 n • 维持 n • 定期维修 n • 赡养费 n annual — 年度 annual n — 周年 n
随便看	upon application upon application and upon applying upon appointment upon apprehension upon approval upon approval by upon approving upon a prior written approval upon a proposal upon a reading upon a recommendation up on a regular basis upon a renewal upon a resolution upon arrest upon arrival upon arrival and departure upon arrival at the hotel upon arriving upon a sale upon a showing upon asking upon aspects upon assessment

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。

annual adj —