新潟精機(SK) AA 9.896 AA型测试针规
这是最流行的钢材。直径(mm)9.899999989898989898989898698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698698
- 型号: 新潟精機(SK) AA 9.896 AA型测试针规