技能训练视频平台

190604-物态变化-92181669

Added by 92181669 7 年 ago

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190618-自由落体运动-22160728

Added by 22160728 7 年 ago

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200626-大规模的海水运动说课-10180621

Added by 10180621 6 年 ago

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190423-动能和动能定理-22160731

Added by 22160731 7 年 ago

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190423-动能和动能定理-22160731—其他—视频高清在线观看-优酷 https://v.youku.com/v_show/id_XNDE1NTQ1NDgyOA==.html?spm=a2h3j.8428770.3416059.1

190621-金属镁的性质说课-22160830

Added by 22160830 7 年 ago

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190618-弹力-22160720

Added by 22160720 7 年 ago

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190329-08160225-物质的分类

Added by 08160225 7 年 ago

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