名词
中文翻译：Unknown
同义词：
['open-pit mining', 'open-cut mining']
例句：
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1. The company has been engaged in open-pit mining for decades.
这家公司几十年来一直在从事露天开采。
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2. Open-pit mining is a traditional method of extracting minerals from the earth.
露天开采是一种从地下提取矿物的传统方法。
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3. The environmental impact of open-pit mining needs to be carefully considered.
露天开采对环境的影响需要仔细考虑。