近年来地理信息系统（GIS）技术不断成熟，为燃气管网规范化、自动化、科学化的管理创造了条件。
The necessity and conditions needed of developing specialized GIS for underground gas pipe network system are also expounded.
近年来地理信息系统（GIS）技术不断成熟，为燃气管网规范化、自动化、科学化的管理创造了条件。
The necessity and conditions needed of developing specialized GIS for underground gas pipe network system are also expounded.
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