1.外卡钳
2.测径尺
3.测径仪
4.测径计
5.纸厚度测定器
6.外卡规
7.尾铗
8.圆规
9.两脚规
10.游尺
1.外卡钳
2.测径尺
3.测径仪
4.测径计
5.纸厚度测定器
6.外卡规
7.尾铗
8.圆规
9.两脚规
10.游尺
1.an instrument used to measure the internal or external dimensions of objects and consisting of two curved hinged legs joined at one end
2.a measuring instrument with a fixed arm and an arm that moves along a graduated scale, used for measuring the diameter of large cylindrical objects such as logs
3.a leg splint consisting of metal rods and straps that enables the hip bone, rather than the foot, to support weight when walking
1.to measure something using a caliper