摘要:Basic oxygen steelmaking Basic oxygen steelmaking (BOS, BOF, Linz-Donawitz-Verfahren, LD-converter) i[阅读全文:]
摘要:In chemistry, the term base metal is used informally to refer to a metal that oxidizes or corrodes re[阅读全文:]
摘要:An acronym for the economies of Brazil, Russia, India and China combined. The general consensus is th[阅读全文:]
摘要:A blast furnace is a type of metallurgical furnace used for smelting to produce metals, generally iro[阅读全文:]