The line of intersection can be made with a general method when the cylinder and frustum of a cone are normal to each other.

当圆柱与圆台正交时，其相贯线可用一般方法作出，但其正面投影和水平投影上相贯线的最右点不能准确定位。

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The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining.

曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工中的难点。

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The projecting lines are discussed by using the line of intersection in horizontal ( H ) plane, profile ( W ) plane and frontal ( V ) plane.

并讨论相贯线在水平（H）面，侧立（W）面，正立（V）面上的投影线。

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You could stack an investment line and later a government spending line on top of a consumption line and establish equilibrium spending and income by the intersection of the top line with the 45-degree line.

FORBES: The Flawed Assumption Behind Ending The Bush Tax Cut For The Rich

The station would be built at the intersection of the Cotswold railway line and Birmingham to Bristol main railway line, the council said.

BBC: Worcestershire Parkway plans progress