Terms for subject Electronics containing either... or

English	Spanish
control by means of a split coupling between the motor and the fan.The speed of the fan is varied by altering the slip between the two coupling halves either magnetically or hydraulically	acoplamiento hendido
inward leakage of air the external glands are either to prevent the leakage of steam which is at a higher pressure than the atmosphere,or to prevent the in-leakage of air when the pressure of the steam in the turbine casing is lower than atmosphere.The gland at the low-pressure or exhaust end of the turbine has to seal the casing against the in-leakage of air	infiltración de aire al interior