In recent years, with the large-scale geological survey, an additional group of very promising Pb-Zn mineralization concentration areas have been discovered in the region.
近几年来，随着地质大调查的开展，又发现一批很有希望的铅锌矿化集中区。
In recent years, with the large-scale geological survey, an additional group of very promising Pb-Zn mineralization concentration areas have been discovered in the region.
近几年来，随着地质大调查的开展，又发现一批很有希望的铅锌矿化集中区。
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