average velocity， mean velocity

group velocity and phase velocity

ratio of pulp velocity and sire velocity

velocity derived from velocity spectrum

affinity law for impeller trim

aileron trim wheel

airplane trim

alteration of trim

alternate lateral trim switch

alternate longitudinal trim switch

aluminium trim

amount of trim

angle of trim

athwartships trim list

auto inner trim

auto interior trim

Automobile Interior Trim

Automotile Trim

Automotive Interior Trim