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混凝土和钻石哪个更好

发布时间: 2024-12-29 18:03:16

❶ 钢筋混凝土与钻石那个更坚固

虽然不记得洛氏硬度具体值，但是，很明白钻石是最硬的物质。混凝土目前规范最高的C80级的抗压强度标准值仅仅50兆帕，比大多数的金属都更软，根本不够资格与钻石相比，差远了矣！

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