英语词汇preemptive 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	preemptive maintenance
释义	maintenance n — 保持 n • 维持 n • 定期维修 n • 赡养费 n
随便看	i feel competent i feel complete I feel concerned I feel concerned I feel concerned about i feel confident I feel confident enough i feel confident enough i feel confident that I feel confident with I feel confident with i feel confused i feel constrained I feel content i feel convenient i feel cornered i feel crushed i feel deeply sorry! i feel detached i feel different i feel disappointed i feel discriminated i feel Dizzy i feel dizzy i feel doing it

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 —