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因某地原生钒钛磁铁矿选钛生产工艺的需要,冶金部长沙矿冶研究所设计了一台YD—3型电选机,并于1975年4月由广东有色金属机械修配厂试制成功。长沙矿冶研究所曾于1964年研制成功
Due to the demand of a native vanadium-titanium magnetite for titanium selection, a YD-3 electric separator was designed by Changsha Institute of Metallurgy and Mining and Metallurgy and was trial-manufactured by Guangdong Nonferrous Metals Machinery Repair Factory in April 1975 . Changsha Institute of Mining and Metallurgy was successfully developed in 1964