精品文档---下载后可任意编辑 文件编号 DOCUMENT NO： 发行版本 VERSION： 页 数 PAGINATION: 69 APPROVAL核准REVIEW/CHECK审核DRAFTING拟制ISSUE DATE发行日期 培训教材目录第一章基础培训教材第一节常用术语解释（一）··················································································11．组装图 12．轴向引线元件 13．单端引线元件····················································································14．印刷电路板 1 5．成品电路板 16．单面板 17．双面板 18．层板 29．焊盘 210．元件面 211．焊接面 212．元件符号 213．母板 214．金属化孔（PTH）2 15．连接孔 216．极性元件 217．极性标志 218．导体 219．绝缘体 220．半导体 321．双面直插 322．套管 323．阻脚······························································································324．管脚打弯 325．预面型 3··························································································第一节常用术语解释（二）·····················································································41．空焊································································································4 2．假焊············································································································4 3．冷焊······················································...
