题目内容

选取电枢绕组导体线规时，由于工艺上的原因，单根导线的截面积不能过大，圆形截面直径不宜大于1.50～1.62mm，扁形截面积不宜超过( )。

A. 5～8mm²
B. 10～45mm²
C. 15～18mm²
D. 18～20mm²

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