File:高低擔的演變.jpg
![File:高低擔的演變.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/%E9%AB%98%E4%BD%8E%E6%93%94%E7%9A%84%E6%BC%94%E8%AE%8A.jpg/800px-%E9%AB%98%E4%BD%8E%E6%93%94%E7%9A%84%E6%BC%94%E8%AE%8A.jpg?20220414045609)
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