Chrome，
QQ浏览器
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![[高中物理]必修三系统课开更！高质网课拯救你的电磁学，电荷/静电感应/电荷守恒/元电荷打好基础第一课](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F5b010e33a5e02564876a59cb3cc82b7740af5938.jpg%40672w_378h_1c_%21web-search-common-cover)
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![李永乐 高中物理-选择性必修[全集]](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F28b84558048eb57dffaaf1bc801452487eb5e51c.png%40672w_378h_1c_%21web-search-common-cover)
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播放：0 时间：2025-05-15简介： -
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![[高中物理]这可能是你刷到关于动量守恒，最透彻好懂的视频！选择性必修一动量守恒定律合集](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F5e9606b18e5e927a28253f4df3ae1596c7da8c85.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[高中物理]必修三系统课开更！高质网课拯救你的电磁学，电荷/静电感应/电荷守恒/元电荷打好基础第一课](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F5b010e33a5e02564876a59cb3cc82b7740af5938.jpg%40672w_378h_1c_%21web-search-common-cover)
![李永乐 高中物理-选择性必修[全集]](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F28b84558048eb57dffaaf1bc801452487eb5e51c.png%40672w_378h_1c_%21web-search-common-cover)
![[高中物理]这可能是你刷到关于动量守恒，最透彻好懂的视频！选择性必修一动量守恒定律合集](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F5e9606b18e5e927a28253f4df3ae1596c7da8c85.jpg%40672w_378h_1c_%21web-search-common-cover)
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