As soon as the long-distance pipeline is put into use after being built up, both the construction and the production unit will try every means to remeasure the length of the employed pipeline.
长道在建成运行后,建设单位、生产理单位往往会通过各方法对在役线的长度进行复测,并把该长度数据作为算、生产理中的重要对比技术参数和指标。