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请关电灯和风扇英语怎么说 一个面板带一个电风扇调速器和一个电灯开关怎么接线
教室里有6个灯和3个电风扇,用英文解答. There are 6 lights and 3 Fans in the classroom.在离开之前请关闭所有电灯.用英语怎么说 Please turn off all the lights b...
教室里有6个灯和3个电风扇,用英文解答. There are 6 lights and 3 Fans in the classroom.在离开之前请关闭所有电灯.用英语怎么说 Please turn off all the lights b...