相并联支路数 series and parallel circuits: 并联电路; 串联电路asymmetrical three phase circuits: 不平衡三相回路phase comparator circuits: 相位比较电路slots per pole per phase: 每极每相槽数parallel phase resonance: 并联相位共振; 并联相位谐振下载手机词典可随时随地查词查翻译