名词
中文翻译：滚动轴承
同义词：
['ball bearing', 'roller bearing']
例句：
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1. The engineer carefully installed the ball bearing in the machine.
工程师小心地将球轴承安装在机器里。
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2. The roller bearing is essential for smooth operation of the conveyor belt.
辊子轴承对于输送带的平滑运行至关重要。
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3. The engineer replaced the worn out ball bearing with a new one.
工程师用一个新的球轴承替换了磨损的轴承。