组合间隙 meaning in English

complex gap

In the light of new type tower and corresponding insulation coordination problem of three - gorges power transmission project , the live line replacement of middle - phase v - string insulators including the electrical clearance of tower head , combined gap , equal potential approach and operation method of replacement was discussed in detail
摘要针对三峡电力外送线路中出现的新型杆塔及相应的绝缘配置问题，从塔头电气间隙、等组合间隙、电位方式以及更换操作方法等方面对此类杆塔带电更换中相v串绝缘子进行了探讨。