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简述了斜椭圆锥面在管道工程中作为一种变径连接管头的应用，并讨论了这种变径管头的数学模型、展开计算及其图形处理。
The application of inclined elliptical cone in pipeline engineering as a kind of adjustable connection pipe is briefly introduced. The mathematical model, calculation and graphic processing of the tapered pipe are discussed.