sprocket造句

This was the beginning of the Japanese derailleur and multi-sprocket freewheel industry.

From the moviegoer’s point of view, it is easy to forget the nuance of sprocket holes and light-interrupters while watching an absorbing drama.

Enthusiasts still clamor for the film cam, whose poor construction yields mysterious optical aberrations and sometimes doesn't even bother to keep images from seeping across the film's sprocket holes.