名词
中文翻译：滚珠轴承
同义词：
['ball bearing', 'roller bearing', 'ball bearing cover']
例句：
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1. The engineercarefully installed the new burr pan in the machine.
工程师仔细地将新的滚珠轴承安装在机器上。
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2. The old burr pan had to be replaced due to wear and tear.
由于磨损，旧的滚珠轴承不得不被更换。
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3. The burr pan is designed to reduce friction and improve efficiency in the machine.
滚珠轴承的设计旨在减少摩擦并提高机器的效率。