... mains switch 电源开关 maintenance switching 维修轮换 make-before-break changeover switch contact 先闭后断换向开关接点 ...
基于24个网页-相关网页
international switching maintenance center 国际交换维护中心
maintenance facility switching 维修轮换
tional switching maintenance center 国际交换维护中心
The switching and maintenance software is an important component and the system platform of the switch software.
交换与维护软件是交换机软件的重要组成部分和系统平台。
Switching mode power supply and battery not only make communication stations function reliably, but also are maintenance main parts.
开关电源及蓄电池为各局站的可靠运行提供了动力保障，同时也是日常维护的重点。
Routine maintenance, repair or fuse replacement etc may be performed only after powering off or switching off.
在确保切断电源及拨下电源插头的情况下，方可进行仪器的日常维护、修理或者更换保险丝等工作。
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