It was found that the C-scan image of a ply interface contained mostly the fiber orientation information of the two neighboring plies, with that of the upper ply often showing more prominently.
发现铺层界面的C扫描图大都包含两相邻铺层的纤维方向信息，而上铺层的信息显示更明显。
2
Disposed between in embedded fashion between two of the belt plies (23, 25) is a pair of substantially full spiral helically wound overlays (24).