名词中文翻译
中文翻译：煤矿工人
同义词：
['mining engineer', 'mining worker']
例句：
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1.He is a coal miner who has worked in the mine for over 30 years.
他是一个在矿井工作了30多年的煤矿工人。
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2. The coal miners are working long hours to ensure the mine's safety.
煤矿工人正在努力工作，以确保矿井的安全。
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3. The coal miners have been struggling with low wages and poor working conditions.
煤矿工人一直在与低工资和恶劣的工作条件作斗争。