【判断题】互感器的作用是将线路中的高电压、大电流变换成低电压、小电流以供继电保护和电气测量使用。
【判断题】Emergency exits are located on each side of the aircraft. All the exits are clearly marked.
【单选题】But more than a month passed, real winter had come, and everything was still clear in his memory as though he ________ with Anna only the day before.
【单选题】道家认为治世之法有四种,其中最坏的方法是
【判断题】电流互感器的作用是将小电流变换成大电流。
【单选题】Some kinds of birds in winter fly to the south to ______ the cold in the north.