Definizione: “(hydr) (meas).  The vertical distance from the point where water enters an intake to the point where the water leaves a HYDROPOWER device. It is generally measured in feet or meters. The product of the ____ times the FLOW is a measurement of potential POWER.  The vertical distance a liquid must be pumped from its source to its point of use or storage. F - chute d'eau - S - altura”
Prima lettera: H
A quale parola corrisponde questa definizione?