.................... ................................ ....................... 92 10.2 二次回路图的分类................................ ................................ ................................ . 92 10.3 互感器二次回路................................ ................................ ................................ ... 103 第 11 章操作箱及操作回路板................................ ................................ ............................. 121 11.1 概述................................ ................................ ................................ ..................... 121 11.2 操作回路板介绍................................ ................................ ................................ ... 121 11.3 CZX -12G 操作箱介绍................................ ................................ ............................ 124