Saturday, September 17, 2022
问题:感应式单相电能表由()、制动元件和计度器等部分组成。...
Saturday, September 17, 2022
问题:在高压设备上工作必须填写()。要严格翊配电线路修理工作票格式认真...
Tuesday, September 13, 2022
问题:接入三相四线有功电能表的中线不能与A、B、C中任何一根相线颠倒的...
Tuesday, September 13, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:处于河涌,鱼塘,排水沟边的杆塔基础不用特别处理。...
Monday, September 12, 2022
问题:单台电容器连接电线的载流量为其额定电流的()倍。...
Saturday, September 17, 2022
问题:线路施工导线展放的长度应比档距长度增加的比例:当平地时为2%;山...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:架空铝绞线或钢芯铝绞线:档距50m及以下时,导线的水平距离不小于...
Saturday, September 17, 2022
问题:触电急救坚持的"八字原则"是:迅速、就地、准确、坚持。...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题: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
问题:线路横担具有以下作用()。A、固定绝缘子B、支持架空导、地线C、支持架空电缆D、支持熔断器、刀闸、开关等电气设备...
Tuesday, April 11, 2023
Friday, May 26, 2023
问题:当电杆安装处无法打拉线固定,在使用撑杆时,其梢径不得小于()。...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题: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
Saturday, September 17, 2022