雅安地区以山地地貌为主,在农机购买、使用上有它独特的一面。1987年随着农村经济体制改革的深入发展,农机销售开始出现稳定增长的局面,我区农副业加工机械在农机增长中有以下几个特点:第一是农村经济体制改革后,农业机械包括农副业加工机械由集体体购买变为个人购买,且一直保持上升趋势。从1987年至1994年八年销售来看,1987年全区 The Ya’an region is dominated by mountain landforms, and it has a unique aspect in the purchase and use of agricultural machinery. In 1987, with the in-depth development of the rural economic system reform, the sales of agricultural machinery began to grow steadily. The agricultural and sideline processing machinery in our district has the following characteristics in the growth of agricultural machinery: First, after the reform of the rural economic system, agricultural machinery includes agriculture. The auxiliary processing machinery has changed from a collective purchase to an individual purchase, and it has been on the rise. Judging from sales from 1987 to 1994, the whole region in 1987