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桃林铅锌矿选矿厂,一九八三年五月采用北京矿冶研究总院研制的中150毫米旋流细筛作萤石精矿再磨预先分级设备,其外型
Taolin lead-zinc ore dressing plant, in May 1983 with Beijing Institute of Mining and Metallurgy developed 150 mm swirl fine sieve for fluorite concentrate grinding pre-grading equipment, the appearance