名词
中文翻译：封闭式电动机
同义词：
['closed electric machine', 'enclosed electric motor']
例句：
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1. The enclosed electric machine is used for powering the building's lighting system.
这个封闭式电动机被用来给建筑的照明系统供电。
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2. The enclosed electric machine has a compact design and can be easily installed in small spaces.
这个封闭式电动机设计紧凑，可以很容易地安装在小空间里。
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3. The enclosed electric machine is powered by a battery pack that provides long-lasting power.
这个封闭式电动机由一个电池组供电，提供持久的电力。