名词短语
中文翻译：齿轮轮计量泵
同义词：
['gear pump', 'gear-driven pump', 'geared pump']
例句：
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1. The gearpump is used to control the flow of oil in a machine.
齿轮泵用于控制机器中油的流动。
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2. The gear pump is essential for maintaining the proper pressure in pipelines.
齿轮泵对于保持管道中适当的压力至关重要。
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3. The gear pump was designed to be more efficient and reliable than traditional pumps.
齿轮泵被设计成比传统泵更高效和可靠。