我国的标准毛和羽绒制品,因其毛质优良而享有盛誉,在国际市场上供不应求,每年换取外汇1亿美元以上。随着城乡专业化养殖的发展,鸡、鹅、鸭的喂养量越来越大,羽毛产量也越来越高,目前,旧的生产手段已不能适应新形势发展的需要。针对这个问 China’s standard wool and down products enjoy a good reputation for their excellent hair quality and are in short supply in the international market. They exchange more than 100 million U.S. dollars each year for foreign exchange. With the development of specialized aquaculture in urban and rural areas, the feeding volume of chickens, geese and ducks is increasing, and the output of feathers is also getting higher and higher. At present, the old means of production can no longer meet the needs of the development of new situations. For this question