我国幅员辽阔,粮食丰歉不平衡,产销区之间运量大,粮食又是笨重物资,运输费用历来是粮食经营中的开支大项之一。因此,粮食的运输必须坚持合理运输的原则,以最经济、最合理的运量、运距和运力发挥最大的流通效益。反过 China has a vast territory, an imbalance in grain supply and apologies, a large quantity of transportation between production and sales areas, and a heavy burden on grain supplies. Transport costs have always been one of the major expenditures in food management. Therefore, the transportation of food must adhere to the principle of reasonable transportation and maximize the circulation efficiency with the most economical and reasonable transportation capacity, transportation distance and capacity. Opposite