名词
中文翻译：机械泵
同义词：
['hydraulic pump', 'pneumatic pump', 'compressor']
例句：
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1. Themechanical pump is used to remove waste water from the factory.
机械泵用于从工厂中去除废水。
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2. The compressor is responsible for compressing air before it is used in the engine.
压缩机负责在发动机使用前压缩空气。
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3. The pneumatic pump is commonly used in construction sites to distribute concrete.
气动泵常用于建筑工地，用于分配混凝土。