alternating current system 交流系统 ; 交流制 ; 交流电系统

four-wire three-phase alternating current system 三相四线式交流系统

Alternating Current Governor System 交流调速系统

three-phase alternating current system 三相交流系统

alternating current power system 交流电力系统

alternating current-DC propulsion system 交直流电力推进系统

Alternating Current Servo System 交流伺服系统

Flexible alternating current transmission system 灵活交流输电系统

alternating constant current drive system 交变恒流驱动系统