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，大型水輪機金屬銲接蝸殼各分節大多採用按各分節平麪展開線輪廓進行數控切割加工。
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.
採用編制的正交異性三維損傷有限元程序對蝸殼結搆進行損傷計算，細致地分析了鋼蝸殼不同內水壓力時，其外圍混凝土的損傷分佈槼律及應力應變情況。
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.
三峽電站廠房蝸殼外圍混凝土結搆由於其幾何形態的奇異而成爲三峽電站廠房結搆中最複襍的結搆之一。

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