W11H series all-mechanism camber line lower adjusting 3-roller coiling machine is a new model produced by employing design and manufacturing techniques of Swedish ROUND.
系列全机械弧线下调式三辊卷板机，是采用瑞典ROUND公司设计制造技术生产的一种新型卷板机。
With the ordinary camber used as auxiliary cross section, the line of intersection of two biasing single cambers is worked out in a view with the method for line of nodes.
本文以一般位置平面为辅助截平面，用求迹线方法，在一个视图求作两单曲面偏交交线。
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