针对大吉山钨矿的原次生细泥处理流程进行了改造，应用新技术新产品，提升选矿生产水平。
The process technology of the primary and secondary fine slime in Dajishan tungsten mine was transformed to improve the process technique.
为克服矿石质量下降引起选矿工艺指标变坏，在西林铅锌矿采用了电化学控制浮选过程新技术。
A new technology, mineral flotation process, with electrochemical control is used in Xilin Lead-Zinc mine.
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