sphenoid part

常见例句

Whatever the case, the shape of the cross-section of the said sphenoid part is either of an isosceles spherical trapezium or of any spherical quadrilateral.
无论哪种情况，楔形体的横截面形状要么是有两条边相同的球形四边形，要么是任意球形四边形。
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Their conical sphenoid part, for the configuration of which at least four conical surfaces are used, can have the same cross section all over its length or different cross-section per parts.
圆锥楔形体的结构至少有四个圆锥面组成，在每个面上，可以使用相同的横截面，也可用不同的横截面。
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