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deep mining
释义
deep mining
deep mining
[
′dēp ′mīn·iŋ
]
(mining engineering)
Exploitation of mineral or coal deposits at depths in excess of 3000 feet (900 meters).
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英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/9/30 14:36:34