weathering sequence of mineral [矿物] 矿物风化序列
model of mineral exploitation sequence 矿产开采序列模型
sequence of mineral mining 矿床开采顺序
The mineral character, the mineral arisen sequence and the relation of mineral intergrowth are studied by mineralogy, chalcography, chymic analysis and EPMA, etc.
利用矿相学、化学分析和电子探针技术等对该矿床矿物特征、矿物生成顺序及共生关系进行研究、探讨。
The paper describes the sequence of mineral products used by the Chinese, mining pit and chamber, mining method and the source of the term "mineral resources".
本文叙述了中国人使用矿产品的先后次序，采矿坑峒、采矿方法及充填工艺的起源，和矿藏一词的由来。
Article 29 in mining mineral resources, a mining enterprise must adopt rational mining sequence and methods and proper ore-dressing technique.
第二十九条开采矿产资源，必须采取合理的开采顺序、开采方法和选矿工艺。
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