问题描述：
英语翻译
1non-dimensioned radius R2
2non-dimensioned angle 3
3non-dimensioned forging tolerance is according to EN10243 class F
4 surface defects
1non-dimensioned radius R2
2non-dimensioned angle 3
3non-dimensioned forging tolerance is according to EN10243 class F
4 surface defects
问题解答：
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