... cast from ==> 铸型 cast from the bottom ==> 底注 cast from the top ==> 顶注,上注 ...
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High chromium cast iron melt was modified by instant modification and pour-over modification from the bottom of the ladle.
对高铬铸铁铁液分别用包底冲入法和瞬时变质处理两种方法进行变质处理。
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