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小学生在家也能做的科学实验：6.反重力沙漏
你知道沙漏的反重力现象和试验是什么吗？快来看一看具体步骤吧！
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你知道沙漏的反重力现象和试验是什么吗？快来看一看具体步骤吧！
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![石阡县气象台发布大雾黄色预警[Ⅲ/较重]](http://p26-sign.bdxiguaimg.com/tos-cn-p-0015/o0i9zjIX9ND6FvBHBgfTiaADBcEpz39fA8VnxA~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=2024121405294529E8436C6AD0A31135D2&requestFrom=101&x-expires=1765661386&x-signature=30jQsEl3MoPodLucZaPOWngZAqU%3D)
