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单词 切断电流
例句 DEFINITIVE EXAMPLES 权威例句〔current〕It is safe to touch the live rail once the current has been turned off.切断电流后触摸载电轨是安全的。外研社新世纪〔switch〕To connect, disconnect, or divert (an electric current) by operating a switch.开启或转换:通过操作开关或转换器连接,切断电流或者使电流转向美国传统
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