精确的球壳瓣片的下料尺寸计算，是设计制造球罐的重要一环。
An exact shell clack sheet's geometric size calculation is the most important link n he design of manufacturing a spherical vessel.
热带美洲一种多年生藤本植物，有时由于美丽的总状花序的紫色和黄色而栽培，花冠的龙骨瓣盘卷像一个蜗牛的壳。
Perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus phaseolus.
通过实验并采集球形容器球瓣片成型数据，总结出了一种较为新颖的球壳板一次下料展开计算方法。
Based on experiment and collection of the spheroid container ball slice to model data, a new method is proposed to the shell plate and descends to anticipate using one calculation method.
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