The main mineral compositions of the tilting defect are composed of calcium aluminate and gehlenite,and others are zirconia corudu...
聚集的大型夹杂
与下水口侵蚀后的脱落
有
。
The main mineral compositions of the tilting defect are composed of calcium aluminate and gehlenite,and others are zirconia corudu...
聚集的大型夹杂
与下水口侵蚀后的脱落
有
。
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