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采用小型冲天炉熔炼球铁,易于产生各种缺陷。
It is easy to cause various defects while using small cupola to smelt the nodular graphite iron.
youdao
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这种装置在小型冲天炉中是作为砂粒分离器使用的。
These units are employed as grit arrester on small cupola.
youdao
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这种装置在小型冲天炉中是作为砂粒分离器使用的。
These units are employed as grit arrester on small cupola.
youdao