scroll casing

英 美
  • 蜗壳
  • casing n.套;罩;匣;盒;[经](石油)套管;包装动词case的现在分词.
  • scroll n.卷轴;画卷;名册;卷形物v.卷动
    1. This indicates that the volute casing is not adapted to the higher rotational speed owing to its small dimension, therefore volutes with larger sizes should be designed.
      混输泵蜗壳和普通泵蜗壳在作用和设计上存在较大差别。