maintenance routine

美

英

复数：maintenance routines

英英

n.	1. a piece of software that you use to make sure that there are no problems with a computer system that could cause damage to it

随便看

英汉双解词典包含2704715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。