A new method for the trace of standard ring gauge is proposed.
提出一种新的标准环规溯源方法.
互联网
That includes aligning the ring gauge before measuring for dia.
那包括在测量直径之前排校准环规.
互联网
As a matter of interest, what size does the calibration certificate say the ring gauge is?
稍微有点好奇, 环规校准报告说环规尺寸是所少?
互联网