名词
中文翻译：动力箱
同义词：
['power pack', 'power supply']
例句：
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1.The power box is the main source of electricity in this room.
这个房间的主要电力来源是电源盒。
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2. The power box needs to be replaced every five years.
电源盒需要每五年更换一次。
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3.The power box is designed to provide a stable and reliable power supply.
电源盒设计用来提供稳定可靠的电源供应。