试题详情

ZPW-2000A无绝缘移频自动闭塞系统空心线圈电阻值R=()。﹙﹚

A15mΩ±5.5mΩ

B15.5mΩ±5.5mΩ

C18mΩ±5.5mΩ

D18.5mΩ±5.5mΩ