center square

短语

[机] 测心矩

词形变化

center squares 复数 center squares

别名

centre square

释义与例句

n.
  1. 1.

    A tool used to find the center of a circle, consisting of two perpendicular straight-edges, both placed tangent to the circular piece, and a third straight-edge which bisects the angle between the other two.

    美国