摘要
During my trip to the town of Jyegu in the Yushu Tibeta n Autono mous Prefecture of Qin ghai Provi nee to see the development of mini-mills there,something extraordinary came to our attention:an unschooled amateur inventor named Jamjang,who started out as a skillful craftsman and who had designed and made a tsampa(highland barley powder)production line which cleverly combined frying,sifting,transmission,and grinding by making the best of existing facilities with his intelligenee and creativity.