dimensioning end tolerancing as per ASME Y14.8M-2009 在图纸上的一句话,

问题描述:

dimensioning end tolerancing as per ASME Y14.8M-2009 在图纸上的一句话,

怀疑打错了(and非end)
译:标注尺寸和机械公差参照美国机械工程协会Y14.8M-2009标准.
as per=according to
American Society of Mechanical Engineers=ASME