向极,间极,整流极 commutating pole: 附加磁极; 换向极; 整流极commutating magnetic pole: 换向磁极commutating pole generator: 换向极发电机commutating pole motor: 换向极电动机commutating pole winding: 换向磁极绕组; 换向极绕组下载手机词典可随时随地查词查翻译