回归正交试验试验
regression-orthogonal design
单相交流
single phase alternating current
单相交流串励电动机
single phase AC series excited motor
单相交流电机调速
single-phase AC electromotor velocity modulation
单相交流电路
single phase AC circuitry
单相交流调压
Single phase AC regulation
单相交流同步发电机
single-phase AC synchronous generator
single-phase AC synchronous alternator
交流单相串联
AC single-phase series connection
交流单相感应电动机
alternating current single phase induction motor
交流单相双线绝缘系统
alternating current single phase two wire insulated system
AC single phase two wire insulated system