大型开沟犁是一种专门用于开沟的机械。近年来,在我国东北、华东和华北等地区的排灌工程中已广泛地采用了大型开沟犁施工,并取得较显著成绩。如黑龙江省的牡丹江、合江两个垦区自1959年以来,利用苏联КМ-800М及КМ-1400两种型号开沟犁开沟3032公里(折土方125万立方米);江苏省国营淮海农场从1954年起,利用苏联КМ-800М型开沟犁开沟2409公里(折土方145万立方米);北京市的大 Large ditching plow is a kind of special machinery used for ditching. In recent years, large-scale ditching and plow construction has been widely adopted in irrigation and drainage projects in northeastern China, eastern China and northern China and other regions. More remarkable achievements have been made. Such as Mudanjiang, Hejiang two reclamation areas in Heilongjiang Province since 1959, the use of the Soviet Union КМ-800М and КМ-1400 two types of ditching ditching ditch 3032 kilometers (folding earth 1250000 cubic meters); state-owned Huaihai farm in Jiangsu Province from From 1954 onwards, the use of the Soviet Union КМ-800М-type ditching ditch open 2409 km (folding soil 1.45 million cubic meters); Beijing’s large