水晶是純的SiO2,玻璃是SiO2含少量其它元素,透明差些。哈哈。
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• haha~~~ ^&^ -丁香·丁香- ♀ (0 bytes) () 05/18/2009 postreply 07:12:11
• haha~~~ ^&^ -丁香·丁香- ♀ (0 bytes) () 05/18/2009 postreply 07:12:11
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