硬件基础知识培训资料_090320

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1、硬件基础知识培训资料0903201.焊接常识...................................................................................................................................................................41.1电烙铁.....................................................................................................

2、......................................................41.1.1烙铁分类...............................................................................................................................................41.1.2焊台(座)组成.........................................................................

3、..............................................................41.1.3电烙铁的基本结构...............................................................................................................................41.1.4烙铁头的种类..............................................................................

4、.........................................................41.1.5烙铁温度...............................................................................................................................................41.1.6烙铁的拿法........................................................................

5、...................................................................41.2锡丝...............................................................................................................................................................41.2.1焊丝按成分分类................................................

6、...................................................................................41.2.2锡丝按直径分类...................................................................................................................................51.2.3铅的有害性.......................................................

7、....................................................................................51.2.4锡丝的熔点...........................................................................................................................................51.2.5锡丝