名词
中文翻译：旋转曲柄润滑器
同义词：
['rotary crank', 'rotating gear', 'rotating shaft']
例句：
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1.The machine has a rotating crank lubricator that helps to reduce friction.
这台机器有一个旋转曲柄润滑器，有助于减少摩擦。
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2.The engineer designed the rotating crank lubricator with precision to ensure smooth operation.
工程师设计了精确的旋转曲柄润滑器，以确保平稳运行。
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3. The rotating crank lubricator is essential for maintaining the machinery's efficiency and longevity.
旋转曲柄润滑器对于保持机械的效率和持久性至关重要。