دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. an ocean currents speed of motion. 2. an observed change, usually uncontrolled, in meter performance, meter factor, etc., that occurs over a period of time. v:1. to move slowly out of alignment, off center, or out of register. 2. to gauge or measure pipe by means of a mandrel passed through it to ensure the passage of tools, pumps, and so on.