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1 前言上海供气有史以来,“产销差”长期稳定在2%左右,但自从煤气大发展以来,差额日益上升,1994年突破20%,近年来经有关方面的努力,基本控制在10%左右。
1 Foreword Since the history of Shanghai gas supply, the “production and sales gap” has remained stable at around 2% for a long period of time. However, since the development of the gas industry, the balance has been increasing. In 1994, it exceeded 20%. In recent years, efforts by relevant parties have basically controlled the rate at around 10%. .