友谊农场五分场五队使用的深松犁（将悬挂三铧犁犁体总成去掉，装上深松杆齿）作业中存在着只深不松、留有空格、土壤松动差等缺点，为此他们进行了改装。改装方法：在深松犁杆齿上增加２厚犁翼（见图１ａ），上下２层犁翼均前倾后翘。上层犁翼两后顶点距离为３０ｃｍ，下... Friendship Farm five sub-field five teams use the deep plow (the suspension of three -shaped plow plow assembly removed, fitted with deep pine rod teeth) operations there is only deep loose, leaving spaces, poor soil loose and other shortcomings, For this they have been modified. Modification method: add 2 thick plow wings on the deep plow pole (see Fig. 1a), the plow piles up and down are tilted forward and backward. Plow the upper back two points after the distance of 30cm, under ...