protractor的造句（例句）：
1、It also has a printed protractor to cut sandwiches at perfect angles.
它上面还有一个画好的量角器，这样可以让你把三明治切出一个精确的角度。
2、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。
3、Excuse me, Sir. What does this protractor read?
抱歉先生，这个量角器是怎么读的？
4、Various distances and angles were measured with dividers, protractor and vernier caliper.
用游标卡尺、量角器和圆规分别测量各项数据。
5、How to click on option in select box in Protractor test?
如何在点击选择框在量角器测试选项？
6、Use your protractor to construct an equilateral triangle.
用量角器作一个等边三角形。
7、Screen Angle indicator: a protractor with many co - centre circles.
网角指示器：是一个带有很多同心圆的量角器。
