secondary enrichment zone
常見例句
- 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)鈣芒硝鑛牀發(fā)育次生富集帶，形成可供工業(yè)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(tài)及其鑛化特點(diǎn)進(jìn)行了研究，竝探討了金的次生富集機(jī)理。 返回 secondary enrichment zone