通过优化设计，椭圆型蜗壳可获得优异的水力性能。
The ellipse section spiral case can give excellent hydraulic performance by optimizing design.
分析了几种材料的性能对脱油型水力旋流器分离效果的影响。
The influence of materials on the separating performance of hydrocyclones was studied.
分析了几种材料的性能对脱油型水力旋流器分离效果的影响。
The influence of materials on the separating performance of hydrocyclones was studied.
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