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180329-燃烧的条件-22150814

180329-燃烧的条件-22150814

Added by 8 年 ago

455 Views1 Comments

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170530-三圈环流-22141012

170530-三圈环流-22141012

Added by 9 年 ago

444 Views4 Comments

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180608-月相变化实验2-22151022

180608-月相变化实验2-22151022

Added by 8 年 ago

430 Views8 Comments

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180622-期末摩擦力-21150935

180622-期末摩擦力-21150935

Added by 8 年 ago

419 Views0 Comments

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19-质量守恒定律-21160636

19-质量守恒定律-21160636

Added by 7 年 ago

408 Views0 Comments

180330-大气的受热过程-22151022

180330-大气的受热过程-22151022

Added by 8 年 ago

391 Views8 Comments

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20170608-无机非金属材料的主角（硅）-07140512

20170608-无机非金属材料的主角（硅）-07140512

Added by 9 年 ago

386 Views4 Comments

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180330-大气的受热过程-22151005

180330-大气的受热过程-22151005

Added by 8 年 ago

384 Views7 Comments

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180609-地球的运动说课2-22151015

180609-地球的运动说课2-22151015

Added by 8 年 ago

383 Views8 Comments

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170608氯气说课10140808

170608氯气说课10140808

Added by 9 年 ago

383 Views4 Comments

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