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並前往https://www.ifc.org/wps/wcm/connect/6e1e26e3-ca12-431b-a966-bb39efa413e1/ironsteel_PPAH.pdf?MOD=AJPERES&CVID=jkD2312

Iron and Steel Manufacturing - International Finance Corporation

In the BOF process, coke making and iron making precede steel making; these steps are not ... pig iron manufacturing in a blast furnace include.

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