【化学】齿轮润滑油

gear honing machines with worm-shaped hone【机】

carbide-tipped gear hob

dentiform【动】;gear form【机】;profile of tooth【机】

distributing valve-gear (valve gear)

drive (gearing, gear)

telemotor gear【自】

additional gear with one or more working-spindles attachable to the main working-spindle

seat-valve gear internal-combustion piston engine, positive-displacement machine