触电急救坚持的"八字原则"是:迅速、就地、准确、坚持。...
Saturday, September 17, 2022
准确抄录各类用户的(),核算员才能准确地计算出应收的电费。...
Saturday, September 17, 2022
配电线路通过不通航也不能浮运的河湖,冬季导线对冰面的最小距离为(...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
从电杆上引下的低压接户线,其导线截面应大于或等于()mm<sup...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
钢绞线制作拉线时,端头弯回后距线夹()处用铁线或钢丝卡子固定。...
Saturday, September 17, 2022
一台配电变压器的型号为S9-630/10,该变压器的额定容量为(...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
变压器高、低压侧均应装设熔断器,()KVA以上变压器低压侧应装设...
Saturday, September 17, 2022
当三极管基极电流为某一定值时,集电极电压Uce与集电极电流Ie之...
Saturday, September 17, 2022
Saturday, September 17, 2022
Friday, May 26, 2023
电容器的额定电压与低压电力网的额定电压相同时,应将电容器的外壳和...
Tuesday, September 13, 2022
电流1A=()mA=10<sup>6</sup>μA。...
Saturday, September 17, 2022