Voltage Reducing Device

전격방지장치

Voltage Regulator

전압조정기

Viscosity

점도

Viscosimeter

점도계

Viscous Pressure Resistance

점성압력저항

Viscous Resistance

점성저항

Vibration in Water

접수진동

Vapour, Steam

증기

Vertical Engine

직립기관

Vertical Stem, Upright Stem

직립선수