This simple analysis holds only for two-ply yarns.
这些简单的分析只适合于由两根单纱合股成的纱线。
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。
Two-ply refers to materials that twist two threads together into a single thread, thus increasing the fabric's thread count and creating a stronger thread.
两层材料，是指两个线程一起扭成一个单一线程，从而增加了织物的线程数和创造一个更强有力的线程。
The results of two three-ply samples calculated by this method are in good agreement with experimental data.
给出的两个三层样品的计算结果与实验值符合得很好。
The internal torque on each of the singles will be about 300 TPM, while torque on the two-ply yarn will be 100 in the s direction.
每根单纱的内部扭转力就达到了300tpm，然而合股线在S捻方向上的扭转力是100tpm。
Even so, the first ply or two of carbon could be wrapped loosely with tape to hold it in place until cure.
即便如此，第一、二层碳可以用胶带缠得松散些以保持住位置，直到固化。
The effect of two kinds of paints on 2 ply wood composite floor dimensional stability was studied.
研究了两种涂料配方的不同配比对木质复合地板尺寸稳定性的影响。
A two-piece mold that will perfectly accept a three-ply sandwich of carbon fiber is what I get.
两件式模具，将完全接受一个3层夹心碳纤维是我得到的。
A two-piece mold that will perfectly accept a three-ply sandwich of carbon fiber is what I get.
两件式模具，将完全接受一个3层夹心碳纤维是我得到的。
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