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| 单词 | open-pit mining |
| 释义 | open-pit mining in American English (ˈoʊpənˌpɪt) a method of mining, usually for metallic ores, in which the waste and ore are completely removed from the sides and bottom of a pit which gradually becomes an enormous canyonlike hole see also strip mining Examples of 'open-pit mining' in a sentence |
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