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随着科学技术的发展和人民生活水平的日益提高，现在大部分城市居民都用上了管道燃气，为居民生活带来了许多方便。但管道燃气的泄漏，若不能及时发现、修复，不仅危害人民的生命安全，而且污染环境，浪费能源。目前，对地面上燃气管道漏气部分多采用气体传感器仪器和嗅觉...
With the development of science and technology and the ever-increasing standard of living of the people, most city dwellers now use piped gas, which brings many conveniences to the residents. However, the pipeline gas leak, if not found, repaired, not only endanger people’s lives and safety, but also pollute the environment, a waste of energy. At present, the gas pipeline leaks on the ground part of the gas sensor instruments and more use of olfactory ...