中文字幕色av一区二区三区,99久久99精品,av一二三区,国产99久久久,久久综合久久综合久久综合,99国产综合,久久综合艹

Resin-impregnated continuous strands(woven roving,mat,or impregnated roving) are wound onto a mandrel in specific patterns and then cured to form the finished products,it includes discontinuous filament winding and continuous filament winding.