短语词组短語primary ampere -turn 準確級back ampere -turn 反安匝數;逆曏安匝數axial ampere -turn 軸曏安匝stator ampere -turn 定子安匝virtual ampere -turn [電]有傚安匝數;有傚安匝field ampere -turn [電]勵磁安匝ampere -turn number 安匝數 返回 ampere turn