ZPW-2000A型无绝缘移频自动闭塞系统空芯线圈电阻值R=( )

ZPW-2000A型无绝缘移频自动闭塞系统空芯线圈电阻值R=( )

A.15mΩ±5.5mΩ

B.15.5mΩ±5.5mΩ

C.18mΩ±5.5mΩ

D.18.5mΩ±5.5mΩ

正确答案是D