composite line meaning in English

复合线路
混成线路
局内线路

Guide for application of composite line post insulators
复合线路柱形绝缘子的应用指南
Application of composite line post insulators
复合线路柱形绝缘子的使用
Insulators for overhead lines - composite line post insulators for alternative current with a nominal voltage 1 000 v
架空电线用绝缘子.额定电压为1000v的交流电流用复合线柱绝缘子
Insulators for overhead lines - composite line post insulators for alternative current with a nominal voltage superior 1 000 v
架空线路用绝缘子.公称电压大于1000 v的交流电用复合线路柱绝缘子
Insulators for overhead lines - composite line post insulators for alternative current with a nominal voltage 1000 v iec 61952 : 2002 ; german version en 61952 : 2003
架空电线用绝缘子.标称电压为1000v的交流电流用复合