outside calipers

基本解释

"Outside calipers" are used for measuring external sizes, and "inside calipers" for measuring internal sizes.
“外测径器”用来量度外边的尺寸；“内测径器”则量度内部的尺寸。
A device to measure the diameter or thickness of a piece of work. "Outside calipers" are used for measuring external sizes, and "inside calipers" for measuring internal sizes.
量度工件直径或厚度的一种工具。“外测径器”用来量度外边的尺寸；“内测径器”则量度内部的尺寸。
The vernier calipers are measuring tools for the machine shop and inspection department. They are used to measure outside, inside dimensions. Type I calipers are used to measure depth and step.
游标卡尺用于一般机械加工中的测量，可测量内、外尺寸、深度及台阶等。