电器修理工人使用的电烙铁,通电后如果较长时间不用,烙铁头由于温度过高发生氧化,焊锡就会不容易附着在上面,影响焊接质量.某工人师傅将电烙铁的电路改装后如图,当他焊接时,闭合开关,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 00:08:06
![电器修理工人使用的电烙铁,通电后如果较长时间不用,烙铁头由于温度过高发生氧化,焊锡就会不容易附着在上面,影响焊接质量.某工人师傅将电烙铁的电路改装后如图,当他焊接时,闭合开关,](/uploads/image/z/13822883-35-3.jpg?t=%E7%94%B5%E5%99%A8%E4%BF%AE%E7%90%86%E5%B7%A5%E4%BA%BA%E4%BD%BF%E7%94%A8%E7%9A%84%E7%94%B5%E7%83%99%E9%93%81%2C%E9%80%9A%E7%94%B5%E5%90%8E%E5%A6%82%E6%9E%9C%E8%BE%83%E9%95%BF%E6%97%B6%E9%97%B4%E4%B8%8D%E7%94%A8%2C%E7%83%99%E9%93%81%E5%A4%B4%E7%94%B1%E4%BA%8E%E6%B8%A9%E5%BA%A6%E8%BF%87%E9%AB%98%E5%8F%91%E7%94%9F%E6%B0%A7%E5%8C%96%2C%E7%84%8A%E9%94%A1%E5%B0%B1%E4%BC%9A%E4%B8%8D%E5%AE%B9%E6%98%93%E9%99%84%E7%9D%80%E5%9C%A8%E4%B8%8A%E9%9D%A2%2C%E5%BD%B1%E5%93%8D%E7%84%8A%E6%8E%A5%E8%B4%A8%E9%87%8F.%E6%9F%90%E5%B7%A5%E4%BA%BA%E5%B8%88%E5%82%85%E5%B0%86%E7%94%B5%E7%83%99%E9%93%81%E7%9A%84%E7%94%B5%E8%B7%AF%E6%94%B9%E8%A3%85%E5%90%8E%E5%A6%82%E5%9B%BE%2C%E5%BD%93%E4%BB%96%E7%84%8A%E6%8E%A5%E6%97%B6%2C%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3%2C)
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