电气设备在()情况下可能产生电火花。 ["有触头电器正常动作","雷击过电压","绕线式异步电动机正常运转","载流导线断开"]
国产非标准设备的计价方法有() ["成本计算估价法","分部组合估价法","定额估价法","概算指标法","系列设备估价法"]
飞机等速爬升时,过载() ["等于1","小于1","大于1","不确定"]
根据铝导线的特点,铝导线适用于() ["电气设备控制线","电机的线圈制造","大型变压器线圈制造","架空线路"]
光缆线路代维月度考核-关键绩效指标KPI包括()。 ["代维光缆阻断次数","代维光缆阻断时长","代维光缆线路巡检率","KPI保留权重"]
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