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1. The engineer designed the bridge with a rib and panel arch to enhance its stability.
工程师设计了一座桥梁，采用了肋板拱来增强其稳定性。
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2. The construction of the arch was crucial for the success of the project.
拱的建造对于项目的成功至关重要。
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3. The rib and panel arch in the ceiling is a unique feature of this building.
天花板中的肋板拱是一个独特的建筑特征。