BS EN ISO 14660-2:2000
产品几何量技术规范(GPS).几何特性.圆柱体和圆锥体的选取的中线、选取的中间面、选取的特性的局部尺寸的要求
Geometrical Product Specifications (GPS) - Geometrical features - Extracted median line of a cylinder and a cone, extracted median surface, local size of an extracted feature