求翻译：目前国内各类易腐食品总产量近7亿吨，年易腐类食品消费量约2.4亿吨，城镇居民易腐食品的消费更是占到总消费的51%，但目前国内已有冷藏容量仅占货物需求的20%～30%是什么意思？

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At present, the types of perishable food production, nearly 700 million tons, perishable foods consumed about 240 million tons of perishable foodstuffs, urban residents consumption is accounted for 51% of the total consumption, but currently, the country has a refrigeration capacity needs of goods a

At present the domestic each kind of easy spoiled food ultimate output near 700,000,000 tons, year Yi Fulei the food consumption quantity 240,000,000 tons, the cities inhabitant easy spoiled food expense is approximately occupies the total consumption 51%, but at present domestic had the refrigerati

Current domestic production of perishable foodstuffs by nearly 700 million tons, the years of deteriorating food consumption of about 240 million tons, urban residents of deteriorating food consumption is accounted for 51% of total consumption, but at present domestic refrigeration capacity of goods