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正确处理城市煤气管道回火问题中国石化北京设计院郑学志上海喷嘴厂仇润富现代化城市都在大力发展城市煤气，它与人们生活有着密切关系并有许多优点。但是煤气是一种易燃易爆的危险物品，因此对其安全使用必须高度重视。在城市煤气使用中，有可能发生的危险是煤气管道回火...
Correctly deal with the problem of tempering the city gas pipeline Sinopec Beijing Design Institute Zheng Xuezhi Shanghai Nozzle Factory Qiu Runfu modern cities are vigorously developing the city gas, which is closely related to people’s lives and has many advantages. However, gas is an inflammable and explosive dangerous object. Therefore, it must be highly valued for its safe use. In the use of city gas, there is a danger that gas pipelines will be tempered...