在主站点发生故障时，PPRC可用于提供快速数据恢复。
PPRC can be used to provide fast data recovery after failure of the primary site.
安全服务器(主服务器和故障转移服务器)。
如果主应用服务器出现故障，故障将自动转移到备份服务器。
The application servers will automatically fail over to backup servers should the primary fail.
如果主中央管理器出现故障，那么备用的中央管理器就会成为中央管理器。
If the primary central manager fails, the alternate central manager then becomes the central manager.
万一发生故障，在主发电机停车前，那应该征得驾驶人员的准许。
Before stopping the main generator in case of accident you should ask bridge for permission.
分析故障重点在主安全阀和液压水泵。
Analysis of the focus in the main safety valve failure and hydraulic pump.
主仪表空气供应系统发生故障时，由全厂统一考虑连续提供20分钟事故仪表空气用量。
Instrument air supply shall last at least 20 minutes if the main IA system fails.
发生故障的电梯在运输中心的主层和低层之间运行。
The elevator takes people between the transit center's main floor and lower floor.
如果主排气扇出现故障，则备用排气扇将启动。
An optional backup vent fan operates in the event of a primary vent fan failure.
当进行显卡维修的时候，我们首先要判别的是显卡主芯片是否有接触上的故障。
When repairing Display Card, we need to judge if there is any GPU contact issue.
当进行显卡维修的时候，我们首先要判别的是显卡主芯片是否有接触上的故障。
When repairing Display Card, we need to judge if there is any GPU contact issue.
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