名词
中文翻译：可变排量泵
同义词：
['variable displacement pump', 'variable displacement motor']
例句：
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1. The variable-displacement pump is used to control the flow of oil in the engine.
可变排量泵用于控制发动机中油的流动。
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2.The variable-displacement pump has a high efficiency and low noise level.
可变排量泵效率高，噪音低。
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3. The variable-displacement pump is widely used in various industries due to its excellent performance.
由于其出色的性能，可变排量泵在各行业得到了广泛应用。