短語(yǔ)詞組短語(yǔ)sandwich box beam 夾芯箱梁damping -sandwich-beam 阻尼夾芯梁aluminum foam sandwich beam 泡沫鋁夾芯梁multilayer sandwich beam 多層夾芯梁simply supported sandwich beam 簡(jiǎn)支夾層梁electrorheological sandwich beam 電流變流躰夾心梁elastic circular sandwich beam 彈性圓形夾郃梁curved sandwich beam 夾芯曲梁Timoshenko sandwich beam Timoshenko 夾層梁 返回 sandwich beam