名词
中文翻译：绑定器铜
同义词：
['binding copper', 'binding nickel', 'binding brass']
例句：
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1. The binder's brass is used to secure the pages together in books.
绑定器铜用于在书籍中固定页面。
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2. The binder's brass was a valuable commodity during the gold rush era.
在黄金大潮时期，绑定器铜是一种宝贵的商品。
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3.The binder's brass is often used as a decorative element on jewelry pieces.
绑定器铜常被用作珠宝饰品的装饰元素。