• 1. Medium-Hard Steel: 中硬钢 | 中等硬度钢
• 2. Medium Hard Steel: 在硬钢 | 中硬钢 | 中等硬度钢
• 3. medium frequency transformer hard steel: 中硬钢

• 1.The contact part of vacuum tank with the juice are using high quality stainless steel and medium hard rubber consumption.
  真空脱气机与果汁接触部分均用优质不锈钢和中硬食用橡胶制成。
  dict.yoduao.com
• 2.Medium-magnesium cast steel is brittle and suitable for crushing low or medium hard ores Its abrasion-resistance is 2.45 as high as that of the high-magnesium steel under non-heavy impact conditions.
  中锰耐磨铸钢属脆性材料，在非强烈冲击条件下使用，是高锰钢耐磨性的2.45倍，适用于破碎中低硬度的矿石。
  dict.yoduao.com

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