解惑“cekc老师BNДeo”-知识课堂

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解惑“cekc老师BNДeo”-知识课堂

北京：京港两地cekc老师BNДeo青少年学习轨道交通知识

来源：华夏时报

最佳回答

“cekc老师BNДeo”北京：京港两地cekc老师BNДeo青少年学习轨道交通知识

12月1cekc老师BNДeo5日，北京，小学员通过模拟教cekc老师BNДeo具试验各种形状车轮的安全性。中新社记者贾天勇摄 12月15日，北京，小学员通过自己搭建模拟教具学习“变道岔”的原理。中新社记者贾天勇摄 12月15日，北京，小学员们展示自己搭建的轨道和列车模型。中新社记者贾天勇摄 12月15日，北京，所有参加课程的小学员、家长和授课老师合影。中新社记者贾天勇摄

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