关于弹簧不倒翁的原理用细铜丝在细圆筷子上一圈圈绕紧,取下就成为弹簧,用半只兵乓球装上沙子,将弹簧埋在正中(竖着),用乳胶封好晾干.用一乒乓球再用乳胶连在弹簧上.介绍我做不倒翁
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 03:17:46
![关于弹簧不倒翁的原理用细铜丝在细圆筷子上一圈圈绕紧,取下就成为弹簧,用半只兵乓球装上沙子,将弹簧埋在正中(竖着),用乳胶封好晾干.用一乒乓球再用乳胶连在弹簧上.介绍我做不倒翁](/uploads/image/z/11536502-14-2.jpg?t=%E5%85%B3%E4%BA%8E%E5%BC%B9%E7%B0%A7%E4%B8%8D%E5%80%92%E7%BF%81%E7%9A%84%E5%8E%9F%E7%90%86%E7%94%A8%E7%BB%86%E9%93%9C%E4%B8%9D%E5%9C%A8%E7%BB%86%E5%9C%86%E7%AD%B7%E5%AD%90%E4%B8%8A%E4%B8%80%E5%9C%88%E5%9C%88%E7%BB%95%E7%B4%A7%2C%E5%8F%96%E4%B8%8B%E5%B0%B1%E6%88%90%E4%B8%BA%E5%BC%B9%E7%B0%A7%2C%E7%94%A8%E5%8D%8A%E5%8F%AA%E5%85%B5%E4%B9%93%E7%90%83%E8%A3%85%E4%B8%8A%E6%B2%99%E5%AD%90%2C%E5%B0%86%E5%BC%B9%E7%B0%A7%E5%9F%8B%E5%9C%A8%E6%AD%A3%E4%B8%AD%EF%BC%88%E7%AB%96%E7%9D%80%EF%BC%89%2C%E7%94%A8%E4%B9%B3%E8%83%B6%E5%B0%81%E5%A5%BD%E6%99%BE%E5%B9%B2.%E7%94%A8%E4%B8%80%E4%B9%92%E4%B9%93%E7%90%83%E5%86%8D%E7%94%A8%E4%B9%B3%E8%83%B6%E8%BF%9E%E5%9C%A8%E5%BC%B9%E7%B0%A7%E4%B8%8A.%E4%BB%8B%E7%BB%8D%E6%88%91%E5%81%9A%E4%B8%8D%E5%80%92%E7%BF%81)
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