其他
初三物理15.1两种电荷 视频精讲
https://v.qq.com/txp/iframe/player.html?vid=i01594yzfmc&width=500&height=375&auto=0
https://v.qq.com/txp/iframe/player.html?vid=d0343370g6i&width=500&height=375&auto=0
点此看名师直播答疑讲座https://v.qq.com/txp/iframe/player.html?vid=w01688ex83p&width=500&height=375&auto=0
请复制 http://t.cn/Ryh8lNh 打开下载配套的课件,点此看名师直播课,或点击左下阅读原文查看全部教程