在系统正常运行情况下，系统可在不断电的情况下替换某些部件。
Under normal operation and UPS, the system is able to replace some components. The control system network is consisted of different types of devices and systems.
在系统正常运行情况下，系统可在不断电的情况下替换某些部件。
Under normal operation and UPS, the system is able to replace some components. The control system network is consisted of different types of devices and systems.
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