Description: Representation of the pump head plotted against the flow rate; Name: curve of pump
Description: relationship between the pump power input and the rate of flow given operating conditions of speed and liquid; Name: pump curve
Description: translation i of a pair of gears or a multiple gear pair is the ratio of the angle speed wa (or the speed na) of the first driving wheel to that of the last driven wheel wb (or nb); Name: Transmission ratio of the transmission