技能训练视频平台

230424-地球运动的地理意义-10200253

Added by 10200253 3 年 ago

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https://v.youku.com/v_show/id_XNTk1OTEzMTgyMA==.html

230424-正午太阳高度角-10200251

Added by 10200251 3 年 ago

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https://v.youku.com/v_show/id_XNTk2NzE4MDU3Ng==.html

230426-地球自转的地理意义-10200345

Added by 10200345 3 年 ago

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230426-地球运动的地理意义-08200449

Added by 08200449 3 年 ago

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