一、农村经济形势的发展对运输机械化的要求日益迫切农村交通运输既是各种农业生产过程中的一个重要环节,又是城乡物资交流的重要纽带。在各种农业生产过程中往返于各种作业现场的田间运输,主要是运送种子、农药、化肥、农产品和秸秆等等。多数地区的田间运输量每年每亩为7～10 First, the development of the rural economy The demand for transport mechanization is increasingly urgent Rural transport is not only an important link in various agricultural production processes, but also an important link between urban and rural areas for the exchange of goods. Field transport to and from various jobsites during various agricultural processes is mainly the transportation of seeds, pesticides, fertilizers, agricultural products and straw. In most areas, the annual transportation volume per acre is 7-10