• 2022-07-25
    1.刚玉晶体结构属于()晶系,()离子做()紧密堆积,()离子填充()空隙
    未知类型:{'options': ['六方,[img=31x22]17de9244cd6adff.png[/img],六方, [img=36x22]17de9244da5c92b.png[/img],全部四面体', '三方,[img=31x22]17de9244cd6adff.png[/img],六方, [img=36x22]17de9244da5c92b.png[/img],三分之二四面体', '三方,[img=31x22]17de9244cd6adff.png[/img],立方, [img=36x22]17de9244da5c92b.png[/img],全部八面体', '三方,[img=31x22]17de9244cd6adff.png[/img],六方, [img=36x22]17de9244da5c92b.png[/img],三分之二八面体'], 'type': 102}
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