spiral case

常见例句

At present, each sectionalization of large-scale spiral case is produced by NC cutting according to the outstretched plane of the curve of the sectionalization.
目前，大型水轮机金属焊接蜗壳各分节大多采用按各分节平面展开线轮廓进行数控切割加工。
In the nonlinear computation of the spiral case structure of Three Gorge Power Station, damage mechanics is introduced to study the concrete cracks from microcosmic to macrocosmic scope.
采用编制的正交异性三维损伤有限元程序对蜗壳结构进行损伤计算，细致地分析了钢蜗壳不同内水压力时，其外围混凝土的损伤分布规律及应力应变情况。
The concrete structure surrounding spiral case of the Three Gorges power station's powerhouse becomes one of the most complicated structures of the powerhouse for its queer geometric figuration.
三峡电站厂房蜗壳外围混凝土结构由于其几何形态的奇异而成为三峡电站厂房结构中最复杂的结构之一。

In which case the costs would spiral well out of control.
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