名词
中文翻译：矿井开发
同义词：
['mining development', 'coal miningdevelopment']
例句：
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1. The minedevelopment project is expected to bring significant economicbenefits in the next few years.
预计在接下来的几年里，这个矿井开发项目将带来显著的经济效益。
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2. The company has been activelypromoting its coal mining development strategy.
该公司一直在积极推广其煤炭开采发展策略。
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3. The minedevelopment process requires careful planning and execution toensure safety and efficiency.
矿井开发过程需要仔细规划和执行，以确保安全和效率。