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![《能量的转化和守恒》优质课公开课 人教版初中物理九年级上册 教师获奖公开课比赛实录（有PPT课件教案）[刘老师]【市一等奖】](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2Ffdcfb845e9c566d83b92bfdc69b988a5cc2da8b9.jpg%40672w_378h_1c_%21web-search-common-cover)
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![《能量的转化和守恒》优质课公开课 人教版初中物理九年级上册 教师获奖公开课比赛实录（有PPT课件教案）[刘老师]【市一等奖】](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2Ffdcfb845e9c566d83b92bfdc69b988a5cc2da8b9.jpg%40672w_378h_1c_%21web-search-common-cover)
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