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[]
["指定电流计算用线径"]
["工字载流10A/MM~2"]
[" ",null,10,"紫色为已知"]
["要求耐3A",1,0.31622776601683794,"黄色为中间变量"]
["计算铜线线径D=",0.35691530512412484]
["绿色为输入变量，蓝色为输出结果，"]
["线径",0.618195,0.09554126450625001]
["已知线径求电流I=",3.0015148116018997]
["同等磁芯17.5*0.4  4A",4,17.5]
["输入圈数",22.5,70]
["求输入圈数的电流",3.111111111111111]