当前学科:LA医师
  • 题目: 单选题
    低熔点铅材料的熔点与密度是()

      A70°9.4g/Cm3 

      B80°10g/Cm3 

      C70°11g/Cm3 

      D80°11.4g/Cm3 

      E100°13g/Cm3

    答案: <查看本题扣1积分>

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