Angle square: Use it for layout, cut-line marking or to check corners for squareness.

角尺：用它做版面设计，制作图例或检查矩形的角。

youdao

Angle square: Use it for layout, cut-line marking or to check corners for squareness.

角尺：用它做版面设计，制作图例或检查矩形的角。

youdao