第1页共28页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共28页目录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...................................................................................................................................84.1实习目的.............................................................................................................................84.2收音机的原理.....................................................................................................................84.3器材及介绍.........................................................................................................................94.4收音机安装步骤...............................................................................................................104.5焊接过程中的要求...........................................................................................................114.6遇到的问题及解决方法...................................................................................................115充电器安装.................................................................................................................................115.1实习目的...........................................................................................................................115.2实习产品简述...................................................................................................................125.3充电器原理及原理图...............................................
