名词
中文翻译：油泵
同义词：
['pump', 'oil pump', 'grease pumper例句：1. The grease pump is essential for maintaining the smooth operation of the engine.（油泵对于保持发动机顺畅运行至关重要。）']
例句：
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1. The grease pump is essential for maintaining the smooth operation of the engine.
油泵对于保持发动机顺畅运行至关重要。
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2.The grease pump was replaced after it failed several times.
油泵在多次故障后被更换了。
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3. The grease pump was used to lubricate the gears and reduce friction.
油泵用于润滑齿轮，减少摩擦。