随着社会经济的发展和人民生活水平的提高，管道燃气逐渐成为人们日常生活重

With the social and economic development and improve people's living standards, piped gas has become an important part of people's daily lives, how to ensure the safe operation of the gas pipeline has become an important issue, although the gas is a clean resource, but once the leak occurred, pole easily lead to the emergence of various types of accidents

With the development of social economy and the improvement of people's living standard, pipeline gas has gradually become an important part of people's daily life, how to ensure the safe operation of pipeline gas has become an important problem, although gas is a clean resource, but once the leakage, it is very easy to lead to all kinds of accidents.

With the development of social economy and the improvement of people's living standard, pipeline gas has gradually become an important part of people's daily life. How to ensure the safe operation of pipeline gas has become an important problem. Although gas is a clean resource, once leakage occurs, it is easy to cause various accidents