自制小鼓运用了什么样的原理?(1)取一只空矿泉水或洁净水瓶,剪掉两头留下中间一段.(2)取玩具气球的胶皮膜两块,蒙在剪好的洁净水瓶子的两头绷紧,并用细绳扎牢.轻轻敲击胶皮膜,就
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![自制小鼓运用了什么样的原理?(1)取一只空矿泉水或洁净水瓶,剪掉两头留下中间一段.(2)取玩具气球的胶皮膜两块,蒙在剪好的洁净水瓶子的两头绷紧,并用细绳扎牢.轻轻敲击胶皮膜,就](/uploads/image/z/1940414-14-4.jpg?t=%E8%87%AA%E5%88%B6%E5%B0%8F%E9%BC%93%E8%BF%90%E7%94%A8%E4%BA%86%E4%BB%80%E4%B9%88%E6%A0%B7%E7%9A%84%E5%8E%9F%E7%90%86%3F%EF%BC%881%EF%BC%89%E5%8F%96%E4%B8%80%E5%8F%AA%E7%A9%BA%E7%9F%BF%E6%B3%89%E6%B0%B4%E6%88%96%E6%B4%81%E5%87%80%E6%B0%B4%E7%93%B6%2C%E5%89%AA%E6%8E%89%E4%B8%A4%E5%A4%B4%E7%95%99%E4%B8%8B%E4%B8%AD%E9%97%B4%E4%B8%80%E6%AE%B5%EF%BC%8E%EF%BC%882%EF%BC%89%E5%8F%96%E7%8E%A9%E5%85%B7%E6%B0%94%E7%90%83%E7%9A%84%E8%83%B6%E7%9A%AE%E8%86%9C%E4%B8%A4%E5%9D%97%2C%E8%92%99%E5%9C%A8%E5%89%AA%E5%A5%BD%E7%9A%84%E6%B4%81%E5%87%80%E6%B0%B4%E7%93%B6%E5%AD%90%E7%9A%84%E4%B8%A4%E5%A4%B4%E7%BB%B7%E7%B4%A7%2C%E5%B9%B6%E7%94%A8%E7%BB%86%E7%BB%B3%E6%89%8E%E7%89%A2%EF%BC%8E%E8%BD%BB%E8%BD%BB%E6%95%B2%E5%87%BB%E8%83%B6%E7%9A%AE%E8%86%9C%2C%E5%B0%B1)
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