دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: in transmission chain, a combination of roller link and pin link used when a chain has an odd number of pitches.

n: a type of chain that is used to transmit power by fitting over sprockets attached to shafts, causing rotation of one shaft by the rotation of another. Transmission roller chain consists of offset links, pin links, and roller links.