新潟精機(SK) AA 5.779 AA型测试针规
这是最流行的钢材。分径(mm)5.777777777777777777777777986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986986
- 型号: 新潟精機(SK) AA 5.779 AA型测试针规