近年来,随着市政建设的飞速发展和企业生产经营的需要,燃气管道的迁、移、改(俗称改管)现象十分普遍。燃气管道的改管主要是因以下原因引起的:一是因市政建设的需要;二是因用户使用原因需要;三是因企业生产经营需要。有的管道改造仅仅是局部的、对企业的资产价值未产生实质性影 In recent years, with the rapid development of municipal construction and the need of production and operation of enterprises, the phenomenon of relocation, relocation and change of gas pipelines (commonly known as pipe change) is very common. Gas pipe is mainly due to the management of the following reasons: First, due to the needs of municipal construction; Second, due to user needs; Third, due to business needs. Some pipe reform is only partial, the assets of the enterprise did not produce any substantial shadow