表2-4-12硬度抗拉強(qiáng)度MPa洛氏表面洛氏維氏布氏HRBHR15THR30THR45THVHB10D2d102d54d2.5mm100.099.599.098.598.097.597.096.596.095.595.094.594.093.593.092.592.091.591.090.590.089.589.088.588.087.587.086.586.085.585.084.584.091.591.391.291.190.990.890.690.590.490.290.189.989.889.78 (共 2468 字) [閱讀本文] >>