摘要
本文用对比形式扼要地阐述了第三角投影法的基本原理、特点和看图方法。阐述了在学会第一角投影法的基础上,如何迅速地掌握第三角投影的画图和看图方法。
With respect to the third angle projection, this paper sets forth briefly its rationale, characteristics, and chart reading, in the form of compa- rison. The paper discusses also how to master rapidly its charting and chart reading based on the first angle projection.
出处
《华侨大学学报（自然科学版）》
CAS
1991年第1期110-116,共7页
Journal of Huaqiao University(Natural Science)
关键词
第三角投影
机械制图
third angle projection
first angle projection
engineerng drawing
blueprint
national standard
