分析了城市管道燃气产生供销差的原因，探讨了缩小供销差的措施。
The reasons of quantity difference between supply and marketing for city piping gas are analyzed, and the measures of decreasing it are discussed.
分析了产生城市管道燃气供销差的原因，提出了降低供销差的措施。
The reasons for quantity difference between supply and marketing of city pipeline gas are analyzed, and the measures for reducing the quantity difference between supply and marketing are put forward.
分析了产生城市管道燃气供销差的原因，提出了降低供销差的措施。
The reasons for quantity difference between supply and marketing of city pipeline gas are analyzed, and the measures for reducing the quantity difference between supply and marketing are put forward.
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