单选题:如果此回路是系统联络线,采用LW12-220 SF6单断口瓷柱式断路器,请计算瓷套对地爬电距离和断口问爬电距离不低于哪项 题目分类:发输变电专业知识 题目类型:单选题 查看权限:VIP 题目内容: 如果此回路是系统联络线,采用LW12-220 SF6单断口瓷柱式断路器,请计算瓷套对地爬电距离和断口问爬电距离不低于哪项?( ) A.500cm,500cm B.630cm,630cm C.630cm,756cm D.756cm,756cm 参考答案: 答案解析:
The rule that only people above 21 years of age can drink__ The rule that only people above 21 years of age can drink__________.A.is a new 分类:发输变电专业知识 题型:单选题 查看答案
It was not until the subprime loan crisis(次贷危机) had caused g It was not until the subprime loan crisis(次贷危机) had caused great damage to the 分类:发输变电专业知识 题型:单选题 查看答案
根据成败归因理论,下列属于外在的稳定的不可控的因素的是( )。 根据成败归因理论,下列属于外在的稳定的不可控的因素的是( )。A.能力高低 B.运气好坏 C.外界环境 D.任务难度 分类:发输变电专业知识 题型:单选题 查看答案