变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分You wont be allowed to play computer games if you havent finished your homework.A: Where were computers invented?B: They were invented in America.A: When were computers invented?B: They were invented in 1946. Look and talk about the picture.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分中考专项复习 The Passive Voice 被动语态 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分复习要点一、被动语态的基本结构二、被动语态的各个时