steel tube drawing procedure 钢管拉拔过程
Double thread-drawing procedure 双挂线对口引流术
welding procedure drawing 焊接施工图 ; 焊接程序图
The drawing procedure is reviewed before interpreting this figure.
在解释这个图以前，先复习一下画图的方法。
The program and drawing procedure for determining the normal gear shape of a rectangle spline hob are introduced.
介绍了确定矩形花键滚刀法向齿形的程序及 绘图过程。
Based on perspective analysis of every part of the six corner pavilion, drawing procedure of the six-corner pavilion perspective is proposed.
以六角亭为例，通过对六角亭各部分透视的分析，提出了亭子透视图的画图步骤。
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