一、调查的主要内容和特点近年来，我国北方地区的小麦收获机械化发展很快。但是，在联合收割机产销量迅速增加的同时，其质量问题也越来越突出，成为农机产品质量投诉的热点。为了促进联合收割机生产企业提高产品质量，促进农民增收和农村的稳定，今年“三夏”期间，农业部和 First, the main content of the survey and characteristics In recent years, the mechanization of wheat harvest in northern China has developed rapidly. However, the production and sales of combine harvesters have rapidly increased while their quality problems have become more and more prominent, which has become a hot issue in the quality complaints of agricultural machinery products. In order to promote the production of combine harvesters to improve product quality and increase farmers’ incomes and rural stability, during the “Three Summers” this year, the Ministry of Agriculture and