量角器,分度规;
词源考究
来自protract,拖延,延长。
Use your protractor to construct an equilateral triangle.
用量角器作一个等边三角形.
This compass serves as a protractor.
这个罗盘可用作分度规.
To draw to scale by means of a scale and protractor; plot.
测绘用圆规和量角器划线和角; 标绘.
I can't find my protractor.
我找不到我的半圆仪了.
It enables to produce various kinds of precision mechanical, electronic digital protractor and length measuring tools.
能生产各种精密的机械类和数显类角度量具, 长度量具等.
Step 3 : Use the hole punch to make a hole through the protractor.
步骤 三: 用打洞器在量角器上打一个洞.
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