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1.The engineer designed a new type of elastic rod support for the bridge.
工程师为桥梁设计了一种新型的弹性杆支撑。
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2.The new design of the elastic rod support greatly improved the stability of the structure.
新型弹性杆支撑的设计大大提高了结构的稳定性。
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3.The engineer used the elastic rod support to reinforce the weak parts of the bridge.
工程师使用弹性杆支撑来加固桥梁的薄弱部分。