单击此处编辑母版标题样式单击此处编辑母版副标题样式* 1Lesson17 Thelongestsuspension bridgein theworld 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Suspension n. 悬，吊n suspensionbridge 吊桥n suspendvt. 吊, 悬挂-Thelightissuspendedfromtheceiling.n suspendvt. 暂停, 暂缓-Thetrainwassuspendedbecauseoftheheavyrain.n Suspensen. 担心、挂念、悬念（insuspense ）n -Thewonderfulfilmgavemeagoodexpressionbecauseofitssuspense.( 悬念)n -Hedidnttellmethetruth.Itkeptmeinsuspenseallday.n suspendern. 吊袜带, （裤子或裙子的）背带变电站电气主接线是指变电站的变压器、输电线路怎样
