maintenance reserve
英 [ˈmeɪntənəns rɪˈzɜːv]
美 [ˈmeɪntənəns rɪˈzɜːrv]
维修（保养）准备金
双语例句
- Use and maintenance of UPS reserve power supply
备用UPS电源的使用和维护 - The influence of the base gap, the charge density and the impurity from the filling, the temperature, the maintenance and the reserve mode in use on the shoot safety are also studied. Cultivating mode for the Chinese sports reserve forces
杀爆弹装药过程中装药底隙、装药密度和杂质及使用过程中温度、勤务、贮存对安全失效的影响；体教结合培养体育后备人才模式研究