名词
中文翻译：压缩机
同义词：
['compressor', 'expander']
例句：
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1. The new compressor-expandor is expected to significantly improve efficiency.
新型压缩机-膨胀机预计将显著提高效率。
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2. The expansion of the economy has led to increased demand for oil.
经济的扩张导致了对石油需求的增加。
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3. The compressor-expandor is a key component in the process of refining oil.
压缩机-膨胀机是炼油过程中的关键组件。