无数年侵蚀作用的产物 the product of countless years of erosion
针对前脸墙鼻部烧结锆莫来石砖侵蚀物结石中常常只看到铝硅质晶相而被误判，详细介绍了烧结锆莫来石 砖的蚀变过程及侵蚀产物的岩相分析。
In the petrographic analysis of the corrosion product of zircon mullite sintered brick only the aluminosilicious crystal phase was observed, which often leads to mistake analysis result .
大峡谷是河流侵蚀作用的产物。
介绍了夹杂物的来源，包括内生夹杂和外来夹杂，着重于二次氧化产物、卷渣、内衬侵蚀。
The paper introduce the impurities origination including internal and external impurities, and pays more attention to re-oxide, rolling slag and inner-lining erosion.
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