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1. The engineer designed the new bridge to have a coped beam.
工程师设计了这座新桥，其桁架梁为梯形。
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2. The construction of this bridge required the use of coped beams for its structural integrity.
建造这座桥需要使用梯形桁架梁来确保其结构完整性。
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3. The beam was so strong that it could support the weight of an elephant without breaking.
这个桁架梁非常坚固，足以承受一头大象的重量而不会断裂。