利用自然低温和机械低温相结合方法，常年低温储藏粮食，在国外已取得成功，成效显著。黑龙江省是国家重要商品粮基地，粮食储存数量大、周期长，充分利用黑龙江省寒冷的自然条件和谷物冷却机、平房仓、浅圆仓等先进设施对粮食常年低温储藏，减少粮食储藏过程中粮食劣变、品质 The use of natural low temperature and mechanical low temperature combination of methods, perennial cold storage of food, has been successful abroad, with remarkable results. Heilongjiang Province is an important commodity grain base in the country. The grain storage quantity is large and the period is long. The natural cold conditions in Heilongjiang Province and the advanced facilities such as grain cooler, flat warehouse and shallow silo make full use of low-temperature grain storage and reduce grain storage Deterioration, quality