spiral casing

常见例句

This paper summarizes soft development and technology of spreading of elliptical spiral casing based on approximate elliptical spiral casing(major and small circle casing).
主要介紹橢圓蝸殼按近似橢圓蝸殼（即大小圓蝸殼）展開的軟件開發與制作工藝過程。
T_type spiral casing was applied in lots of Kaplan turbine. It is impossible to make very good flow pattern in inlet of stay vane only by means of changing geometry of spiral casing.
絕大多數軸流式水輪機的蝸殼爲不完全包角的T型蝸殼，僅通過對蝸殼的幾何形狀優化而實現沿固定導葉進口圓周均勻供水或速度分佈均勻幾乎是不可能的。
Concrete stresses in the axial direction of the spiral casing are relatively uniform dispersed tensile stresses, the maximum axial stress occurs in the thinnest section of surrounding concrete.
沿蝸殼軸線方曏的應力爲相對均勻的拉應力，最大拉應力出現在外圍混凝土厚度最薄的部位。