open-reel

例句：

1. 1. The book has an open-reel binding.
   这本书有开本装订。
2. 2. The artist used a new technique to open-reel the painting.
   艺术家使用了一种新技术来开卷这幅画。
3. 3. The museum has a collection of open-reels from different cultures.
   博物馆收藏了来自不同文化的各种开卷。