名词短语
中文翻译：刷子外壳上部挡板同义词
同义词：
['刷子外壳上部挡板，刷子外壳上部挡板，刷子外壳上部挡板']
例句：
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1. The brush housing and upper baffle are essential components of the cleaning system.
刷子外壳和上部挡板是清洁系统的关键部件。
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2. The brush housing and upper baffle were designed to improve the efficiency of the cleaning process.
刷子外壳和上部挡板的设计旨在提高清洁过程的效率。
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3. The brush housing and upper baffle were replaced after a few weeks of use, as they became worn and damaged.
在使用几周后，刷子外壳和上部挡板被更换了，因为它们磨损并损坏了。