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Rockwell hardness number短语解释_Rockwell hardness number词组用法_Rockwell hardness number短语词组_菜篮子兴趣思朗文词典
菜篮子兴趣思朗文词典

Rockwell hardness number

菜篮子兴趣思朗文词典

短语词组

    短語

  • Rockwell superficial hardness number 表麪洛氏硬度值;外表洛氏硬度值
  • rockwell l hardness number 洛氏硬度指數
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