线槽 计算各类导线半径序号123456789101112131411234567891011导线型号BV导线截面积2.546101625355070951201501852401.52.54610162535507095120导线直径3.94.45.4781011.5131517.5192123.560.53.94.555.97.28.69.911.512.814.616.318.5根数各类导线各类导线横排所需面积和宽度000000000000000000000000000085.8262.67670000000000000000000000NH-BVNH-BV221213141515020.518522.824025.830028.6总的电缆面积所需桥架截面面积（20%计算）电缆 横排所需总宽度(注：电缆是相邻紧贴排列)0000262.67671313.384000085.8