A new type of measuring tool for the radius and Angle of arcs, including its measuring principle, structure design and measuring methods, is introduced.
介绍一种用于测量圆弧半径和角度的新型量具的测量原理、结构设计和测量方法。
Fit special tool dial gauge holder with the dial gauge in such a way that a right Angle is formed between the dial gauge axis and special tool adjustable measuring lever.
安装带有百分表的专用工具百分表架，使百分表轴线与专用工具可调测量杆之间呈直角。
BEVEL PROTRACTOR: a tool for measuring an Angle or marking angles.
量角器：一种可以测量和标记角度的工具。
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