ISO 12181-2:2011仅规定了整体特征圆度的完整规范运算符,并仅涵盖完整的圆度轮廓,即类型圆特征的几何特征。
ISO 12181-2:2011 specifies the complete specification operator for roundness of integral features only and covers complete roundness profiles only, i.e. geometrical characteristics of features of the type circle.