目 录1 安全用电常识................................................................................................................................31.1 安全用电的重要性.............................................................................................................31.2 安全常识.............................................................................................................................32 常用仪表工具的使用...................................................................................................................42.1 主要工具.............................................................................................................................42.2 主要仪器仪表及使用.........................................................................................................43 手工焊接技术...............................................................................................................................53.1 焊接工具.............................................................................................................................53.2 焊接原理.............................................................................................................................63.3 焊接方法及步骤.................................................................................................................63.3.1 新电烙铁在使用前的处理......................................................................................63.3.2 使用时的操作方法..................................................................................................73.3.3 操作步骤..................................................................................................................73.3.4 焊接注意事项..........................................................................................................84 收音机安装..................................................................................................................
