名词中文翻译
中文翻译：煤炭开采机械
同义词：
['coal mining machinery', 'coal extraction machinery']
例句：
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1. The newcoal mining machinery has greatly improved the efficiency of the mine.
新型的煤炭开采机械大大提高了矿井的效率。
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2. The company is investing heavily in developing new coal mining machinery to meet the demand for cleaner energy.
该公司正在大力投资开发新的煤炭开采机械，以满足清洁能源的需求。
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3. The coal mining machinery is designed to be compact and efficient, making it ideal for small-scale mining operations.
这种煤炭开采机械设计紧凑且高效，非常适合小规模的采矿作业。