【填空题】
347.[31927)APR125—5型调节器，外部电压可调节范围是内部电压调节确定的标准电压___％。
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【填空题】
355.[31935)确定无危险情况下，有些元器件故障可以通过人的耳、鼻、手、眼等器官，采用看听闻摸等手段，直接感知故障设备异常的响声、气味、___、振动等，确定元器件的好坏。
【填空题】
367.[31947)统型空调控制柜线排烧损的处理方法：检查线鼻子压接是否紧固，确认良好之后，有备用线排就更换之，如果没有，对于___的线如果没有合适的螺丝链接可剥出裸线，用十字或一字接线法连接紧固，并用绝缘胶布包扎好。
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