摘要
圆柱和圆锥正交相贯线是空间曲线,其非积聚性投影(非圆曲线)合理采用"圆弧及其切线"代替,可有效提高作图效率。
Intersecting line of cylinder and cone is space curve, its non-gathering projection（non-circular curve） instead of ＂circular and its tangent＂ ,and improve drawing efficiency effectively.
出处
《机械管理开发》
2009年第1期145-146,共2页
Mechanical Management and Development
关键词
相贯线
非积聚性投影
简化画法
ntersecting line
Non-gathering projection
Simplified drawing method
