农机具名称代号由类别代号和特征代号组成。一、类别代号类别代号由数字表示分类号,字母表示组别号。1.分类号。字母前面的第一个数字表示机具分类号,如2BF—7型,4GL—140型中的2、4数字。分类号共有10个。1表示耕耘和整地机械,2表示种植和施肥机械,3表示田间管理和植物保持机械,4表示收获机械,5表示谷物 Agricultural machinery name code consists of category code and feature code. First, the category code category code by the number of categories, letters that group number. 1. Classification number. The first number in front of the letter indicates the tool classification number, such as 2, 4 digits in 2BF-7 and 4GL-140. A total of 10 categories. 1 denotes tilling and land preparation machinery, 2 denotes planting and fertilization machinery, 3 denotes field management and plant maintenance machinery, 4 denotes harvesting machinery, 5 denotes grain