The epidemic situation industrial and commercial bureau closed the store for a few days.

According to the local epidemic situation.

The prevention and control of the epidemic situation is well done and the unsealing is faster.

Measures and actions for air defense, combat readiness and resistance to enemy air strikes. Also known as anti-air strikes. Basic types of defensive operations in modern warfare. Measures and actions to prevent and resist enemy air strikes. Also known as anti-air strikes. Basic types of defensive operations in modern warfare. According to its nature, air defense can be divided into national air defense, military air defense and civil air defense; According to scale, it can be divided into strategic air defense, campaign air defense and tactical air defense; It can be divided into active air defense and passive air defense by means; It can be divided into target air defense and regional air defense according to the scope; According to strength, it can be divided into independent air defense and joint air defense.