英语词汇maintenance proficiency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 proficiency
释义	maintenance proficiency
随便看	lock sb out of sth lock sb up lockscreen Lock screen lock screens lock screw locks down lock seal steel wire roofing nail lock seam lock seamer lock seaming lockseaming lock seaming dies lock seaming machine lock seaming operation lock seam sleeve lock seam test lock seam tube lock sequence number Lock set lockset lockset position of coupler locks flight locks for aluminium door and window locks for SAFES

英汉双解词典包含3607232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。