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丹东市煤气热力总公司，担负着全市１１２４２５户煤气用户的煤气输配重任。东至沙河镇，西至四道沟，南至江岸路，北至八道沟。２８０公里煤气管线近百张千分之一煤气管网地形图，３００多张五百分之一煤气管网地形图，１０００多个煤气水缶，利用查找时非常困难。为了找到某?
Dandong City Gas Heating Corporation, responsible for the city’s 112425 gas users of gas transmission and distribution task. Shahe town east, west to four ditch, south bank road, north to the Bacheng. 280 kilometers of gas pipeline nearly one hundred thousandth of the top of the gas pipeline network, more than 300 one hundredth of the top of the gas pipeline network, more than 1,000 gas hydrants, the use of search is very difficult. In order to find a?