自８０年代以来，发达国家开始了棉纺工业设备的更新，将目前的部分环绽纺纱改为无绽气流纺纱，欧、美、日等国家和地区已普遍采用气流法纺低中支纱，美国已研究利用气流纺试纺高支纱，这使生产效率提高了３倍，成本下降１／３，产品档次大幅度提高。与环绽纺相比，气流纺... Since the 1980s, the developed countries have started the renewal of the equipment for the cotton spinning industry, changing some of the current ring-spun spinning to non-blown spinning, and the countries and regions in Europe, the United States, Japan and other countries have adopted the method of air spinning , The United States has studied the use of air spinning spinning high count yarn, which increased production efficiency by 3 times, the cost dropped by 1/3, a substantial increase in product quality. Compared with the ring-spun yarn, air spinning ...