Be able to label and read surface roughness codes, codes of size tolerance and fitting, and geometrical tolerance codes.
会正确注写和识别表面粗糙度代号，尺寸公差与配合代号，形位公差代号。
A new method for judging the qualification of size tolerance isdescribed. An actual example is included to illustrate the method.
以实例说明尺寸误差合格性的统计判断和尺寸公差的统计计算方法。为推广统计公差新标准提供一种实用的方法。
Size tolerance, surface roughness, geometric tolerance and material requirements are supposed to be contained in technical requirements.
技术要求应包括尺寸公差，表面粗糙度，形位公差，材料等要求。
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