名词
中文翻译：泵
同义词：
['pump', 'pumping device', 'fluid transfer apparatus']
例句：
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1. The backer pump is essential for the operation of this machine.
这个机器的运行需要用到泵。
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2.The engineer designed a backer pump to improve efficiency in the oil extraction process.
工程师设计了一个泵来提高石油提取过程的效率。
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3.The backer pump was responsible for circulating water through the pipeline system.
泵负责通过管道系统循环水。