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You must know the knowledge of geological disaster prevention and control!

author：Tooth stone fusion media
You must know the knowledge of geological disaster prevention and control!
You must know the knowledge of geological disaster prevention and control!
You must know the knowledge of geological disaster prevention and control!
You must know the knowledge of geological disaster prevention and control!
You must know the knowledge of geological disaster prevention and control!
You must know the knowledge of geological disaster prevention and control!

Production: Qiao Suyu Source: Yakeshi City Natural Resources Bureau

Editor: Zhang Jinfeng

Editor: Zhao Zongjie and Zhang Ge

Final review: Li Enguang and Lei Jianjun

Director: Zhao Huiru

Prevention and control of geological disasters Disaster prevention and control 灾害
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