Draw to scale by means of a scale and protractor.
通过比例尺和量角器按比例绘制。
Excuse me, Sir. What does this protractor read?
抱歉先生，这个量角器是怎么读的？
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。
Shown here with a wooden handle. The bevel is set from a protractor.
这一款有一个木把手，斜角要卡在量角器上。
The protractor must be placed on the pipe in the position shown below.
量角器必须放在管道上如下图所示的位置处。
The protractor must be placed on the pipe in the position shown below.
量角器必须放在管道上如下图所示的位置处。
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