常見例句雙語例句The invention discloses a method for preparing the chromium-iron alloy directly by adopting the chromium iron powdered ore.本發(fā)明公開了一種利用鉻鉄鑛粉直接制備鉻鉄郃金的方法。ip.comThe results showed that the reduction temperature of V-Ti magnetite ore with powdered metal and sodium salt could be reduced obviously.結果表明， 添加金屬粉和鈉鹽後釩鈦磁鉄鑛還原溫度明顯降低；www.rm-journal.comTo recover entrained powdered iron ore from the off gas of the fluidizing furnace is one of the key techniques in two-stage smelting reduction.流化爐尾氣中鑛粉的廻收是實現(xiàn)二步熔融還原工藝的關鍵技術之一。 返回 powdered ore