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原因不明の新型コロナウイルス感染症の流行

Recently, there have been many outbreaks of new coronary pneumonia in Shijiazhuang City, many communities have been classified as high-risk areas, and all citizens are basically doing nucleic acid every day. This wave of epidemic has brought an extremely serious impact on the people of Shijiazhuang City. I hope that the epidemic will pass soon, and the people will return to normal working and life.

>bell and spigot ductile iron pipe

 
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