1) single phase two wire system
单相二线制
2) single-phase tri-wire system
单相二线
1.
tri-phase load and single-tri phase load,but to the single-Phase load,it is not as economical and rational as the single-phase tri-wire system.
单相负荷供电有种制式：单相二线、单相三线和三相四线（Ｙ０）。
3) single phase three wire
单相三线制
1.
The single phase three wire system is used for the power supply of single phase load, the three phase three wire (△)system for the three phase load, and the three phase four wire(△0 .
对单相负荷供电采用单相三线制；对三相负荷供电采用三相三线（△）制；对单、三相混合负荷供电采用三相四线（△０、Ｖ０）制，具有巨大节能效益，并对此进行了测算。
4) two phase three-wire system
二相三线制
5) single pole two wire embedded socket
单相二线暗插座
6) single pole two wire opened socket
单相二线明插座
补充资料：二线
①战争中的第二道防线。②比喻不负有直接领导责任的地位：退居～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条