研究表明，该方法可以实现良好的净化效果。不仅过滤了绝大多数粗大夹杂物，而且对减少显微缩孔十分有效。
The results showed that good purification effects can be obtained, in which not only major coarse impurity particles was removed but also shrinkage porosity was effectively abated.
研究表明，该方法可以实现良好的净化效果。不仅过滤了绝大多数粗大夹杂物，而且对减少显微缩孔十分有效。
The results showed that good purification effects can be obtained, in which not only major coarse impurity particles was removed but also shrinkage porosity was effectively abated.
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