电压互感器在工作时，二次线圈接近（）状态。

A. 正确
B. 错误

A. 赤游丹毒
B. 抱头火丹
C. 流火
D. 内发丹毒
E. 大脚风

A. where is the chief officer
B. where the chief officer is
C. is where the chief officer
D. the chief officer is where

A. 颊黏膜
B. 唇黏膜
C. 口底黏膜
D. 舌腹部黏膜
E. 舌背黏膜