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阐述了沈阳市由人工煤气到天然气的转换对管网、储气罐、煤气表、灶具等产品的影响及其相应措施 (加湿、加臭等 )。论述了旧管网的改造手段—内插管、翻转内衬法、快速接头、不停气带压抢修等技术
The effects of conversion of artificial gas to natural gas on the pipe network, gas tank, gas meter, cooker and other products and their corresponding measures (humidification, smelly, etc.) are described. Discusses the transformation of old pipe network - intubation, flip lining method, quick connector, non-stop gas pressure repair technology