二套电机泵组，互为备用，可实现液压联锁和电气联锁。
Two motor pumps are spare to each other, realizing hydraulic interlock and electrical interlock.
每个闸首的2个子站互为备用，且同时投入运行，运行时只有一个子站的控制信号输出。
For every lock head, each of its 2 substations is a reserve one to the other, but these two substations operate concurrently and only one substation has control signal output.
将两条生产线氢气管道进行联网改造，达到两条生产线氨分解制氢装置互为备用，增加系统供气可靠性的目的。
Hydrogen pipes for two production lines were interconnected so as to share the hydrogen-generating devices with ammonia decomposition technology and insure protect gas supply for the two lines.
在设置任何高可用性环境时，都需要考虑这一点，在这种环境中，每个服务器互为备用，但是它们必须维持自己的服务水平。
This is something that you need to consider when setting up any highly-available environment where each server backs the other up, but also has its own service level it has to adhere to.
对于以同步马达运行方式启动的大型燃气轮发电机或单轴机组的发电机，每2台或3台发电机装设2套互为备用的SFC装置。
For large gas-turbine generator or single-shaft units which is started with synchronized motors 2 sets of SFC devices with mutual stand-by should be provided for 2 or 3 generators.
对于以同步马达运行方式启动的大型燃气轮发电机或单轴机组的发电机，每2台或3台发电机装设2套互为备用的SFC装置。
For large gas-turbine generator or single-shaft units which is started with synchronized motors 2 sets of SFC devices with mutual stand-by should be provided for 2 or 3 generators.
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