دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see back-pressure. choker hitch n: in crane operations, a method of attaching a sling to a load in which one end of the sling is passed around the load, through an attachment or an eye on the other end, and then to the cranes hook. As the load is lifted by the crane, the hitch tightens on the load.