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  <author_name>jinzhenrongs</author_name>
  <author_url>https://blog.hatena.ne.jp/jinzhenrongs/</author_url>
  <blog_title>vacuum pump</blog_title>
  <blog_url>https://coatingmachine.hateblo.jp/</blog_url>
  <categories>
  </categories>
  <description>The self-priming sewage pump mainly includes inlet connecting pipe, one-way valve, outlet connecting pipe, pump body, impeller, mechanical seal, bearing seat and pump shaft. Double blade impeller structure is adopted to improve the dirt passing capacity. The mechanical seal adopts a new friction pai…</description>
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  <image_url></image_url>
  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2022-08-08 18:15:24</published>
  <title> Self priming sewage pump maintenance skills</title>
  <type>rich</type>
  <url>https://coatingmachine.hateblo.jp/entry/2022/08/08/181524</url>
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