干线系统 meaning in English
main route system
trunk system
ts trunking system
Examples
- Fire resistant busbar trunking systems fire resistant busways
耐火母线干线系统 - Closed insulated busbar trunking systems closed insulted busway
密集绝缘母线干线系统 - Low - voltage switchgear and controlgear assemblies . part 2 : particular requirements for busbar trunking systems busways
低压成套开关设备和控制设备第二部分:对母线干线系统 - Low - voltage switchgear and controlgear assemblies - part 2 : particular requirements for busbar trunking systems busways
低压开关设备和控制设备组件.第2部分:母线干线系统的特殊要求 - Cable trunking and ducting systems for electrical installations - part 2 : particular requirements - section 4 : service poles
电设备用电缆干线系统和电缆管道系统.第2部分:特殊要求.第4节:工作电极