Chrome，
QQ浏览器
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播放：14 时间：2024-11-04简介： -
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![[建设篇]八年级下册人教版历史第二单元第6课艰辛探索与建设成就](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F894261e02a4a0856a991db9f49c4dbbbb66f331c.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[建设篇]八年级下册人教版历史第二单元第6课艰辛探索与建设成就](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F894261e02a4a0856a991db9f49c4dbbbb66f331c.jpg%40672w_378h_1c_%21web-search-common-cover)
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