目录简介 | Contents Foreword 1 Scope 2 Normative references 3 order content 4 Classification and symbol 5 Dimension, shape, weight and allowable deviation 6 Technical requirements 7 Test method 8 Inspection rules 9 Package, mark and quality certificate Annex A (Informative) Calculation method of ideal critical diameter (DI value) 1) Annex B (Informative) The comparison table of some designations in Table 1 of this standard and foreign designations |