名词
中文翻译：变速泵
同义词：
['variator', 'variable pump']
例句：
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1.The variable delivery pump is crucial for the operation of the conveyor belt.
变速泵对于输送带的运行至关重要。
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2. The variable delivery pump allows for precise control over the flow rate of the material being transported.
变速泵允许对被输送物料的流量进行精确控制。
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3.The variable delivery pump was designed to optimize the efficiency of the packaging process.
变速泵的设计旨在优化包装过程的效率。