对立体结构的构架,螺栓穿入方向规定为:水平方向由内向外,垂直方向...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
垂直铺设的明配导线对地距离不应小于(),如果不能满足要求,应加保...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
拉线与电杆夹角若受地形限制,可适当减少,但不应小于()。...
Friday, September 16, 2022
接地电阻测试仪仪表上的“P”接线柱是电流探针,“L”接线柱是电压...
Friday, September 16, 2022
35kV及其以上高压供电线路,电压正负偏差的绝对值之和不超过额定...
Friday, September 16, 2022
Friday, September 16, 2022
在断拉线的情况下,拉紧绝缘子对地面的垂直距离不应小于()m。...
Friday, September 16, 2022
螺栓连接质量应符合,当必需加垫圈时,每端垫圈不应超过()个...
Friday, September 16, 2022
Saturday, September 17, 2022
在鼠笼型异步电动机的绕组上直接加三相电压的起动方式叫做()。...
Friday, September 16, 2022
500/5A的电流互感器与最大刻度500A的电流表配套使用,当电...
Saturday, September 17, 2022
剪切变形时,剪应力在截面上的分布比较复杂,但在工程中,通常假定是均匀分布,其方向与截面相切。...
Sunday, April 30, 2023
Friday, September 16, 2022
Saturday, September 17, 2022
利用串联电池组可以给用电器提供较高的电动势,但用电器的额定电流必...
Friday, September 16, 2022