该预浸料已用于直升机次承力结构。
The prepreg had been used in helicopter secondary structure.
分析了影响织物预缩率的橡毯厚度、加压辊直径与承压辊直径各参数之间的关系。
The relationships between the parameters which affect the shrinkage of fabric, such as the thickness of rubber blanket and the diameters of both pressure accepting and pressure applying rollers.
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