2021年电工电子实习目的与意义.pdf

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1、电工电子实习目的与意义1/13 电工电子实习目的与意义编号:_ 学校:_ 教师:_ _年_月_日(此文内容仅供参考,可自行修改)一、实习目的1、目的和意义实习是培养学生操作技能的重要环节,而技能的形式是通过观察、实践和反复练习实现的。以实习实例激发兴趣,讲电的应用时,可以突出模电、信号与系统知识的具体应用,使教学贴近生产和生活。通过这样的实习,使学生产生好奇心,凝聚学生的注意力,以保持兴趣。通过protel软件的学习,提高学生电路分析能力,增强独立工作,独立思考的能力。同时在讨论,培养了学生的团结协作能力。2、发展情况及实习要求广州大学电工电子实习心发展情况:XX 年以来,学校正式启动了实验教

2、学课程体系的建设,实验心也建设了电工电子实验教学课程平台体系,配套进行了实验教研团队的建设。使我校实验教学改革工作得以蓬勃开展。精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 1 页，共 13 页电工电子实习目的与意义2/13 我们注重科研活动的开展。老师和实验技术人员均积极参与科学研究和实验教学研究,并取得不少成绩。学生科研也得到重视。通过开放实验室为学生科研和电子制作提供条件。自XX 年以来,教务处以电工电子实验室(实验心的前身)为依托建设了电子信息技术创新基地,学生在这里得到进一步培训。从XX年到 XX年,学生参加全国大学生电子设计竞赛、实验大赛、挑战杯等竞赛活动,获得

3、省一、二、三等奖多项。同时还培养了学生的创新、创业精神和实践能力。实习要求:在实习过程,以及今后的专业知识学习过程以工程人员应具备的基本素质为要求来锻炼自己。在每天的实习结束后,认真检查自己,看自己达到多少要求,还有什么不足,了解以后应该如何加强。二、实习内容实习项目一:安全用电违章用电常常可能造成人身伤亡,火灾,损坏仪器设备等严重事故。实验室使用电器较多,特别要注意安全用电。1、触电类型1)两相触电。2)单相触电。3)“跨步电压触电”,因电势差在人体形成电流而触电。2、造成触电的主要因素1)触电电流的大小。2)触电时间的长短。3)电流种类。4)电流途径。5)人体电阻。3、防止触电的措施精品w

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10、7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3电工电子实习目的与意义3/13 1)不用潮湿的手接触电器。2)电源裸露部分应有绝缘装置3)所有电器的金属外壳都应保护接地。4)实验时,应先连接好电路后才接通电源。实验结束时,先切断电源

11、再拆线路。5)修理或安装电器时,应先切断电源。6)不能用试电笔去试高压电。使用高压电源应有专门的防护措施。7)如有人触电,应迅速切断电源,然后进行抢救。8)测量绝缘电阻可用兆欧表。9)在需要带电操作的低电压电路实验时用单手比双手操作安全10)电动工具上标有“回”表示双重绝缘。11)实验室内的明、暗插座距地面的高度一般不低于0.3 米4、防止引起火灾1)使用的保险丝要与实验室允许的用电量相符。2)电线的安全通电量应大于用电功率。3)室内若有易燃易爆气体,应避免产生电火花。继电器工作和开关电闸时,易产生电火花,要特别小心。电器接触点(如电插头)接触不良时,应及时修理或更换。精品w o r d 学习

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18、X5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3电工电子实习目的与意义4/13 4)如遇电线起火,立即切断电源,用沙或二氧化碳、四氯化碳灭火器灭火,禁止用水或泡沫灭火器等导电液体灭火。5)交、直流回路不可以合用一条电缆。5、防止短路1)线路各接点应牢

19、固,电路元件两端接头不要互相结触,以防短路。2)电线、电器不要被水淋湿或浸在导电液体。3)三相电闸闭合后或三相空气开关闭合后,由于缺相会导致三相电机嗡嗡响、不转或转速很慢。4)实验时,电源变压器付边输出被短路,会出现电源变压器有异味;电源变压器冒烟;电源变压器发热现象,直至烧毁。实习项目二:常用电子仪器使用(一)主要学习常用的电工电子工具的用途、规格及使用注意事项。熟悉和掌握常用电工电子用具的结构、性能、使用方法和操作规范,将有利于我们提高工作效率和产品质量乃至保障人身安全。1、螺丝刀螺丝刀,是用来拆卸和装配螺钉必不可少的工具。2、钳子1)尖嘴钳:适用于狭小的工作空间或带电操作低压电气设备,也

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24、7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1

25、F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7

26、P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3电工电子实习目的与意义5/13 2)钢丝钳:用于夹断夹持金属薄板以及切断导线。3)剥线钳:适宜于塑料、橡胶绝缘电线、电缆芯线的剥皮。3、电工刀:适用于割削

27、导线的绝缘皮以及割削木桩和割断绳索。4、低压验电器:又称验电笔,是检验导线、电器和电气设备是否带电的常用工具。5、辅助工具1)镊子 2)剪刀 3)锉刀。实习项目三:常用电子元器件的认识与检测1、电阻电阻,全称是电阻器,是对电流起阻碍作用的元件。电阻是电子电路最常用、最基本的电子元器件。在电路,电阻主要起分压、分流、偏置、限流、负载等作用。实验步骤:1)实物观看。2)色环阻值识读。3)正温度系数热敏电阻的检测:室温状态下检测加温检测4)实验线路2、电位器电位器也叫可调电阻器。实验步骤:1)实物观看 2)静态测量 3)实验线路3、电容精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第

28、 5 页，共 13 页文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档

29、编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y

30、8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O

31、2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3

32、文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F

33、7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J

34、8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3电工电子实习目的与意义6/13 电容,全称是电容器。电容在电路具有隔直通交的作用,常用语级间耦合、滤波、去耦、旁路或者与电感线圈组成振荡回路。实验步骤:1)实物观看 2)电容值测量 3)实验线路4、电感电感与电容刚好相反,具有阻交流通直流的特

35、性。电感常与电容一起工作,构成 lc 滤波器、lc 振荡器。实验步骤:1)实物观看 2)电感的通断检测3)电感的电感值测量5、二极管二极管是由一个pn 结、电极引线以及外壳封装构成。实验步骤:1)实物观看 2)二极管的检测 3)实验线路6、三极管实验步骤:1)实物观看2)三极管的极性判断3)三极管参数hfe 的测量 4)实验线路实习项目四:常用工具的使用(二)、焊接工艺与焊接训练1、电烙铁电烙铁是手工焊接的基本工具,是根据电流通过发热元件产生热量的原理而制成的。电烙铁的使用:1)电烙铁的握法:反握法、正握发、握笔法2)电烙铁使用前的处理 3)电烙铁使用的注意事项2、吸锡器:不要用于拆卸集成电路

36、等多引脚元器件。精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 6 页，共 13 页文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编

37、码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8

38、 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2

39、 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文

40、档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7

41、Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8

42、O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3电工电子实习目的与意义7/13 3、辅助工具:1)钢针;2)刀片;3)防静电环;4、焊接训练:1)准备施焊;2)加热焊件;3)熔化焊料;4)移开焊锡;5)移开电烙

43、铁实习项目五:protel的使用 1绘制电路原理图(1)新建一个工程文件;(2)添加元件库;(3)放置元件;(4)编辑元件属;(5)放置电源与接地元件;(6)连接线路;(7)保存文件;(8)生成网络表文件。实习项目六:protel的使用 2绘制印刷电路图手工布线(1)创建 pcb 文件;(2)绘制印刷电路板的边框;(3)装入所需要的pcb 元件库;(4)调入网络表;(5)元件手工布局;(6)pcb布线前的参数设置;(7)增加电源输入接口;(8)pcb手工布线;(9)保存文件。实习项目七:印刷电路板(pcb)的制作(宋体,加粗,小四号)1、必要的准备(1)设计好电路的pcb 图(2)敷铜板的磨边

44、与清洁(3)配制三氯化铁溶液2、打印;3、转印;4、腐蚀;精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 7 页，共 13 页文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7

45、P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F

46、5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5

47、K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10

48、T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z

49、7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:C

50、X5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3文档编码:CX5K1F5F7Y8 HP10T7P8J8O2 ZZ3Z7F5M7K3电工电子实习目的与意义8/13 5、清洗;(6)钻孔;(7)检查(8)去除保护层(9)涂助焊剂(松香水)实习项目八:电路