名词
中文翻译：正排量压缩机
同义词：
['positive displacement compressor', 'positive displacement compressor']
例句：
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1.The new positive displacement compressor is more efficient than the old one.
新型的正排量压缩机比旧型的更高效。
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2.The engineer designed a positive displacement compressor to meet the needs of the factory.
工程师设计了一款正排量压缩机以满足工厂的需求。
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3.The positive displacement compressor was used in the oil refining process to improve the efficiency of the equipment.
在炼油过程中，正排量压缩机被用来提高设备的工作效率。