Vertical stiffness great change的意思|示意
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垂直刚度变化大
Vertical stiffness great change的网络常见释义
竖向刚度突变 ...度不均匀;竖向刚度突变;薄弱层 [gap=898]Key words】Frame structure;Uneven plane stiffness;Vertical stiffness great change;Weak layer ...