双线制 double wire system ; two wire system ; two main system

三相四线制 three phase four wire system ; three-phase and four-wire system ; three phase four wire ; three-phautomotive service engineers four-wire system

单线制 [电] single wire system ; One wire system ; earthed system

多线制 [通信] multiple wire system ; multiple-way system

四线制 [通信] [电] four-wire system ; Four-Wired ; four wire ; four-wire method

三相三线制 three phase three wire system ; wire system ; three-phase and three-wire sysyem ; three-phautomotive service engineers three-wire system

五线制 [电] five-wire system ; VCC GND CS SDA SCLK ; system five-wire

三线制 [电] three-wire system ; system three-wire ; three-wire

四线制增音器 four wire repeater