دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: in pipeline construction, the process of putting slack in a pipeline to counter the effects of contraction and expansion caused by extreme variations in daily temperature. Instead of laying the pipe in a straight line down the center of a ditch, it is laid so that it alternately touches one side of the ditch or the other, thereby pro- viding a curve or slack in the line.