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1.The manual oil pressure pump is essential for maintaining the engine's proper operation.
手动油压泵对于保持发动机正常运行至关重要。
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2.The manual oil pressure pump was designed to simplify the process of changing the oil.
手动油压泵的设计旨在简化更换机油的过程。
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3.The manual oil pressure pump is used in many industrial applications where precise control of fluid pressure is required.
手动油压泵在许多工业应用中被使用，在这些应用中需要精确控制流体压力。