medium hard

• 1. 中硬度: medium hard
• 2. 中等硬度钢: medium-hard steel | medium hard steel | hard steel
• 3. 中等硬度煤: medium hard coal

更多释义

• 1.在一定磨损条件下，中硬度钢比高硬度钢耐磨。
  Under certain wear condition the wear resistance of 45 steel with medium hardness is higher than that with high hardness.
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• 2.复合变质处理使该合金中硅相细化，使布氏硬度提高50%，硬度可达 HB84.9。
  The hardness of the alloys which is modified is advanced by about 50%, appropinquity HB84.9.
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• 3.在与硬度法的对比试验中，进一步验证了电阻法的可行性。
  The feasibility of this method is confirmed by comparison with microhardness method.
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