دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the transmission shaft for the drawworks that is driven directly by the compounding transmission on a mechanicaIdrive rig and is connected to it with the master clutch;or, on an electric-drive rig, the shaft driven directly by the electric motors. The input shaft drives the jackshaft or output shaft.

n: the input shaft that drives the drawwork.