年维护费用的英文

annual maintenance cost

• 年:    year
• 维护:    safeguard; defend; ...
• 费用:    cost; expenses; ou ...

例句与用法

1. The system consist of such main work - station as the charge calculate , consumer manage , 114 information directory desk , 112 fault report , balance / revenue , telephone account inquire / dun , internal 200 , telephone detail search , etc . at the same time , contrasts the new system with the old one in annual maintenance cost , according to the economic analysis
   该系统由计费、机房管理、 114查号、 112故障申告、结算营收、电话查询催缴、内部200 、话单明细查询等主要工作站构成。同时通过简单经济分析，对前后两种管理模式下电话管理所需的年维护费用进行了比较，可以看出，新的管理模式使得维护费用大大降低。