主: host备: have; be equipped with时钟: clock设备时钟: equipment clock; sdhequipmentclocksecsdh; synchronousdigitalhierarchyequipmentclocksecsdh同步设备时钟: sec synchronous equipment clock同步数字系列设备时钟: sdh equipment clock主备用: active/standby时钟: [电学] [半] clock◇时钟计数器 [自动化] clock counter坏手主备用: picker hot spare主备方式: active /standby mode主备降场: primary diversion field; primary divert field主备降机场: master diversion airfield准备时: prepare time售主备件分类: vendor provisioning parts breakdown戒备时间: aletring time预备时间: readiness time准备时间: administrative time; get-away time; preparation time; readiness time; set up time; time, preparation准备时期: lead time准备时失败: failed to come ready - manual主备电源转换装置: switching device for main and standby power sources标准准备时数: standard preparation hours播出准备时间: lineup time部署筹备时间: response time for deployment趁不备时抓住: caught on the hop服务准备时间: service provisioning time
