secondary enrichment zone

常見例句

雙語例句

• 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(qū)鈣芒硝礦床發(fā)育次生富集帶，形成可供工業(yè)利用的次生芒硝礦床。
• 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(tài)及其礦化特點進行了研究，并探討了金的次生富集機理。
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