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1.The lubricator valve is responsiblefor reducing friction in the engine.
润滑阀负责减少发动机中的摩擦。
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2. Thelubricator valvewas designed to prevent leaksand improve efficiency.
润滑阀被设计来防止泄漏并提高效率。
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3. The lubricator valve is a critical componentof the engine's performance.
润滑阀是发动机性能的关键部件。