色偷偷偷久久伊人大杳蕉,丰满人妻一区二区三区无码av,国产精品亚洲日韩AⅤ在线 ,无码人妻精品中文字幕免费东京热

技術(shù)文章

Imported fluorine magnetic pump

Imported fluorine magnetic pump 
          The imported fluorine magnetic pump has the advantages of compact structure, beautiful appearance, small size, low noise, reliable operation and convenient operation and maintenance. Can be widely used in chemical, pharmaceutical, petroleum, unit of electroplating, food, film, photographic development research institutions, national defense industry pumping acid, lye and oil, rare valuable liquid, venom, volatile liquid, and circulating water equipment, filter. In particular, leakage of inflammable and explosive liquids pumping, use this pump is more ideal.