为了联接和固定各种结构，经常需要在二维编织复合材料结构上采用大量的螺纹联接。
In order to connect and fix all kinds of structures, there are usually a lot of threaded joints in the 2-d woven composite structures.
二维三向编织复合材料圆管是一种较好的吸能材料，具有较高的单位质量吸能特性。
As the braid layers increase or the braid Angle decreases, the circular tubes have higher specific energy Absorption es...
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