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1.The new bridge is built with twin-spar construction, which greatly reduces the weight of the structure.
这座新桥采用了双梁结构，大大减轻了结构的重量。
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2. The architect designed the building with twin-spar construction to maximize natural light and ventilation.
建筑师采用双梁结构设计这座建筑，以最大限度地利用自然光和通风。
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3. The construction of this bridge was completed in a record time due to its efficienttwin-spar design.
由于其高效的双梁设计，这座桥梁的建设在预定时间内完成。