dry bulb temperature wet bulb temparature

dry-bulb and wet-bulb

double-rudder pintle balance rudder

double-rudder semi-balance rudder

single rudder pintle semi-balanced rudder

single-rudder pintle balance rudder

single-rudder pintle semi-balance rudder

underhung rudder with rudder trunk

10CrNiMoV Bulb Flat Steel

10NiCrMoV bulb flat steel

40 MW Bulb-type

absorption bulb

Accessory olfactory bulb

adiabatic wet-bulb temperature

aftfoot bulb

air pressure bulb

air wet bulb temperature

alkali bulb

American Bulb Product Standard Ⅰ