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Drafting triangle
01
绘图三角板, 制图三角尺
a triangular ruler used for drawing straight lines and angles, commonly available in 30-60-90 and 45-45-90 degree configurations
Example
The architect used the drafting triangle to create the precise 45-degree angle on the blueprint.
建筑师使用绘图三角板在蓝图上创建精确的45度角。
For the building plans, the draftsman carefully measured the angles using a drafting triangle.
为了建筑图纸，绘图员使用绘图三角板仔细测量了角度。
