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怎样用纸做喇叭
更新时间: 2020-10-05 00:00:00  

用纸做喇叭的步骤如下:

1、准备好原料胶水,永磁铁,漆包线,硬纸块,剪刀。

2、剪下纸块卷成纸筒,用胶水粘好。

3、用漆包线紧紧地卷上数十圈,用胶水粘好。

4、剪出圆形纸张,把做好的电感线圈粘在中间。

5、将磁铁放在线圈中间,即可。

关键词: 怎样 用纸 喇叭

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