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初二物理(北京版)声的利用

视频地址：https://video.cache.bdschool.cn/vd/ef385147bbb37df33afbd2c14059600f.mp4
附件： 0929初二【物理(北京版)】声的利用教学设计.docx
附件： 0929初二【物理(北京版)】声的利用课后练习.docx
附件： 0929初二【物理(北京版)】声的利用学习任务单.docx
附件： 0929初二【物理(北京版)】声的利用.pptx

16 views Jul 15, 2021

初二物理(人教版)声的利用初二物理(人教版)噪声的危害和控制

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