名词
中文翻译：电源开关组
同义词：
['power supply switch group', 'power supply switchassembly']
例句：
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1. The powerswitch group is responsible for controlling the flowof electricity in the building.
电源开关组负责控制建筑物内电力的流动。
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2. Theengineers were working on upgrading the powerswitch group to improve efficiency.
工程师们正在升级电源开关组以提高效率。
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3. The powerswitch group was installed in the new building's electrical system.
新的建筑电气系统中安装了电源开关组。