名词
中文翻译：花键滚柱
同义词：
['fluted roller', 'fluted roller bearing', 'fluted roller bearings']
例句：
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1. Thefluted roller is used in the machine to reduce friction and improve efficiency.
花键滚柱用于机器中，以减少摩擦并提高效率。
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2.The fluted roller bearings are crucial for the smooth operation of the machine.
花键滚柱轴承对于机器的平稳运行至关重要。
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3. The fluted roller bearings are designed to withstand high pressure and temperature conditions.
花键滚柱轴承被设计成能够承受高压和高温条件。