gray pig iron

基本解释

• 灰铸铁
• 灰生铁

英汉例句

双语例句

• In order to improve the properties of gray iron, the B containing pig iron is added to it instead of high priced ferroboron.
  在灰铁生产中加入含硼生铁，代替价格较高的硼铁合金等，以达到提高性能的目的。

权威例句

• It was replaced by a gray lull, all smoke and pig iron.
  NEWYORKER: Something Like Happy

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词组短语

短语

• gray copper pig iron 灰铸铁
• dark gray pig iron 暗灰色生铁

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