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              您的位置:網站首頁 > 標簽:止回閥
              進口止回閥的分類以及如何選型

              進口止回閥的分類以及如何選型

              進口止回閥的分類以及如何選型進口止回閥的作用是只允許介質向一個方向流動,而且阻止方向流動。通常這種閥門是自動工作的,在一個方向流動的流體壓力作用下,閥瓣打開;流體反方向流動時,由流體壓力和閥瓣的自
               
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