Prevent New Coronavirus, Protect Yourself and Others!

What is new coronavirus?

The way of infection transmission of new coronavirus?

What are the symptoms of infection?

How to prevent new coronavirus?

Advice on preventive measures – from WHO

Words described prevention of new pneumonia

Natural gas pipeline tie-line project from Hangjinqi to Yinchuan was started drilling to go through Yellow River

The theme of 2020 China innovation method competition (Ningxia competition area) and the fourth Ningxia innovation method competition...