A device, often resembling a compass with bent legs, used in determining inside or outside diameters, thickness, or the like.

[~s] 弯脚规。

A device consisting of two plates lined with a frictional material that press against the sides of a rotation wheel or disk in some brake systems.

(阻力)制动片【夹】(某些制动系统内的一种装置，包括有两个镶了摩擦阻力材料的碟板，用来紧压转动中的轮子或轮圈)。

Metal supports fixed to the legs of a person with weak legs to help him to walk.

[~s] (残障者的)金属脚架。

To measure with a caliper.

以弯脚规测量。