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来源:雅诚德英语网
Piedmont potassic alteration zone is the product of potash feldspathization, part of the zone is ore body.
矿区山前钾化带是钾化蚀变的产物,局部地段构成矿体。
Piedmont potassic alteration zone is the product of potash feldspathization, part of the zone is ore body.
矿区山前钾化带是钾化蚀变的产物,局部地段构成矿体。