求翻译：20世纪以来铸造业的重大进展中,灰铸铁的孕育处理和化学造型这两项新工艺有着特殊的意义,这两项发明,冲破了延续几千年的传统方法,给铸造工艺开辟了新的领域,对提高铸件的竞争能力产生了重大的影响.是什么意思？

Significant progress in the foundry industry since the 20th century, Inoculation of gray cast iron and chemical modeling of these two new technology has a special significance, these two inventions, to break through the traditional method of continuation of several thousand years, to the casting pro

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Since the 20th century in the casting industry significant progress, gray iron breeding processing and chemistry modelling these two new crafts have the special significance, these two inventions, broke through has continued several millenniums the traditional methods, opened the new domain for the

In the foundry industry's significant progress since the 20th century, grey cast iron inoculation and chemical modelling of these two new technology has a special significance, these two inventions, broke through the continuation of thousands of years of tradition, to the casting process has opened

正在翻译，请等待...