Notice of the Xining Municipal People’s Government on the trial of air raid siren

Notice of the Xining Municipal People’s Government on the trial of air raid siren


1, pre warning: Naruto 36 seconds, stop 24 seconds, repeated 3 times for a period, a total of 3 minutes;

2, air raid alarm: 6 seconds, stop for 6 seconds, repeated for a cycle of 15 times, sharing time for 3 minutes

3, alarm: continuous 3 minutes.

three, during the trial, please units, all citizens to protect the normal work, study, production and life order, and pay attention to distinguish familiar with air defense warning signal.
 

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