دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a trench or channel made in the earth, usually to bury pipeline, cable, and so on. On a drilling rig, the mud flow channel from the conductor-pipe outlet is often called a ditch. See mud return line. v: to excavate a trench in which to lay pipe or cable. Ditching equipment and methods for pipe laying vary according to terrain and weather.