名词
中文翻译：下沉泵
同义词：
['submersible pump', 'down-flow pump']
例句：
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1.The sinking pump was a critical component in the system.
下沉泵是系统中的关键部件。
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2. The engineer designed a new type of sinking pump to improve efficiency.
工程师设计了一种新型的下沉泵，以提高效率。
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3. The sinking pump was used to remove wastewater from the sewage system.
下沉泵被用来从污水系统中移除废水。