都说共价晶体难以破坏,那如果�咬断一根很长的二氧化硅水晶,不就破坏了它的共价键吗? 知乎 Template




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tomski都说共价晶体难以破坏,那如果�咬断一根很长的二氧化硅水晶,不就破坏了它的共价键吗? 知乎 coloring