high space短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 高大空间 In order to prevent casualty of the human and animal from broken electric wire, this paper has analysed and counted some concerns related to mechanical strength of high space electric wire. 为防止农村输电线路断线而造成停电和人畜伤亡等严重事故的发生，本文特对架空导线的机械强度问题进行分析计算。 cnki