名词
中文翻译：单作用空气泵
同义词：
['single-acting pump', 'single-acting air compressor']
例句：
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1.The single-acting air pump is a crucial component in the process of refrigeration.
单作用空气泵是制冷过程中的关键组件。
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2. The engineer used the single-acting air pump to compress the air for use in the building.
工程师使用单作用空气泵压缩空气，用于建筑中。
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3. The single-acting air pump was designed to be easy to maintain and operate.
单作用空气泵设计为易于维护和操作。