名词
中文翻译：线路切换板
同义词：
['switchboard', 'circuit breaker panel', 'switchgear']
例句：
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1. Theline-switch board is used to control the flow of power in a power grid.
线路切换板用于控制电网中电力的流动。
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2.The engineers were busy troubleshooting the line-switch board.
工程师们忙于修理线路切换板。
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3. The line-switch board was designed to prevent power outages during emergencies.
线路切换板被设计成在紧急情况下防止停电。