如图所示,甲图在两端开口的玻璃管下方扎上橡皮膜,乙图在右边的 开口处扎上橡皮膜,出现图中的现象.甲图说明;乙图说明
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![如图所示,甲图在两端开口的玻璃管下方扎上橡皮膜,乙图在右边的 开口处扎上橡皮膜,出现图中的现象.甲图说明;乙图说明](/uploads/image/z/4947135-15-5.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%94%B2%E5%9B%BE%E5%9C%A8%E4%B8%A4%E7%AB%AF%E5%BC%80%E5%8F%A3%E7%9A%84%E7%8E%BB%E7%92%83%E7%AE%A1%E4%B8%8B%E6%96%B9%E6%89%8E%E4%B8%8A%E6%A9%A1%E7%9A%AE%E8%86%9C%2C%E4%B9%99%E5%9B%BE%E5%9C%A8%E5%8F%B3%E8%BE%B9%E7%9A%84+%E5%BC%80%E5%8F%A3%E5%A4%84%E6%89%8E%E4%B8%8A%E6%A9%A1%E7%9A%AE%E8%86%9C%2C%E5%87%BA%E7%8E%B0%E5%9B%BE%E4%B8%AD%E7%9A%84%E7%8E%B0%E8%B1%A1.%E7%94%B2%E5%9B%BE%E8%AF%B4%E6%98%8E%EF%BC%9B%E4%B9%99%E5%9B%BE%E8%AF%B4%E6%98%8E)
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