求翻译：ab) 对于不可预知的突然全船失电，值班驾驶员应在第一时间（恢复供电之前）关闭上述通导仪器设备，同时在电源恢复供电并稳定10分钟后通知二副或船长逐一重新开启各种通导仪器设备。是什么意思？

ab) for the whole ship suddenly lost power, duty driver should be the first time (before power is restored) Close the Communications and Navigation equipment, at the same time the power is restored and stable 10 minutes after notification two or master unpredictable one by one Re-open the various co

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ab) Regarding cannot be known in advance the entire ship to lose the electricity suddenly, on-duty pilot should (restores before power supply) in the first time close above passes leads the instrumentation equipment, simultaneously restores power supply and the stable 10 minutes after the power sour

AB) for unpredictable the whole ship suddenly lost power, drivers should be on duty in the first time (before power is restored) closure of the admittance instruments and equipment, power restore power supply and stability at the same time notify the officer or the captain one by one back on after 1

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