摘要
管道是运输和配送天然气、原油和炼制产品最有效的方法。基础设施老化、污染程度增加、立法改变，以及对流动保证和管道完整的更加重视，导致了提高对管道清洗、检测、有规律调停的要求。
Pipelines are the most efficient method of transport and d str but on ofnatura gas, crudeo and refined products. Ageing infrastructure, increased population density,changes in legislation and greater emphasis on flow assurance and pipeline integrity lead to increased requirements for pipeline cleaning, inspection and sometimes even intervention.
