secondary enrichment zone
常见例句
- There is a secondary enrichment zone of glauberite in the western part of China to have developed a number of usable glauberite deposits.
中國西部地區鈣芒硝鑛牀發育次生富集帶，形成可供工業利用的次生芒硝鑛牀。 - The mode of occurrence of the gold in the oxidation zone, mineralization features and the secondary enrichment mechanism of the gold are systematically dealt with in this paper.
本文對氧化帶中金的賦存狀態及其鑛化特點進行了研究，竝探討了金的次生富集機理。 返回 secondary enrichment zone