名词
中文翻译：正排量式燃料泵
同义词：
['positive displacement pump', 'positive displacement fuel pump']
例句：
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1. The newpositive displacement type fuel pump has greatly improved the efficiency of the engine.
新型的正排量式燃料泵大大提高了发动机的效率。
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2.The engineers are working on developing a more efficient positive displacement type fuel pump.
工程师们正在努力开发一种更高效的正排量式燃料泵。
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3. The positive displacement type fuel pump is widely used in various industries due to its high efficiency and durability.
由于其高效率和耐用性，正排量式燃料泵在各个行业得到了广泛应用。