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  • 【轉(zhuǎn)】國(guó)內(nèi)與國(guó)外的鋼丸煉鋼比率

    如前所述，自20世紀(jì)70年代以來(lái)，在近2億t粗鋼產(chǎn)量增長(zhǎng)中，鋼丸增長(zhǎng)占3/4，轉(zhuǎn)爐鋼丸增長(zhǎng)占1/4，而平爐鋼是負(fù)增長(zhǎng)。世界上一些主要產(chǎn)鋼國(guó)家如美國(guó)、歐洲、日本等...

    日期 2013-12-04   閱讀 (431)
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