... 级进分段焊接顺序 progressive block welding sequence 递增挫曲 progressive buckling 递增速率试验 progressive speed trial ...
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For the foam-filled double tube structure, the stroke efficiency and the energy absorption efficiency under the outer tube tear failure mode is higher than that under the progressive buckling mode.
双管夹芯结构中外管撕裂模式的结构行程利用率和能量吸收效率高于相应的外管周期折叠模式。
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