sequence of mineral mining
sequence of mineral mining
矿产开采顺序
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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