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一、概况 唐山市于八三年实现了集中供热。当年供热面积82万平方米,八四年增加到150万平方米,预计85年可达250万平方米。
I. Overview Tangshan City achieved centralized heating in 1983. The heating area for the year was 820,000 square meters, which increased to 1.5 million square meters in 1984 and 2.5 million square meters in 85 years.