名词
中文翻译：滚动润滑
同义词：
['rolling lubrication', 'roller bearing', 'rolling bearing']
例句：
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1. The roller bearings in the machine are vital to its smooth operation.
机器中的滚珠轴承对它的平稳运行至关重要。
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2. Rolling bearings have a lifespan of about 50,000 hours compared to traditional ball bearings, which last only about 20,000 hours.
与传统的球轴承相比，滚动轴承的使用寿命大约为50,000小时，而传统球轴承的使用寿命仅为20,000小时。
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3. In some applications, such as heavy-duty machinery or industrial robots, roller bearings offer superior performance and durability overother types of bearings.
在重型机械或工业机器人等某些应用中，与其它类型的轴承相比，滚动轴承提供了更优越的性能和耐用性。