longitudinal length extension vibration mode [电] 纵向长度伸缩振动模式
longitudinal length modes 纵向长度振动模式
The connecting portion is positioned adjacent the upper and may extend along a longitudinal length of the upper.
此连接部分位于靠近鞋面的位置并可以沿着鞋面的纵向长度延伸。
Design methods currently dealing with prestressed post-poured strips of prestressed concrete structures with large longitudinal length are discussed and problems are put forward.
探讨超长预应力混凝土结构预应力后浇带常用设计方法，指出其不足之处。
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