Description: npsh datum plane minus reference plane; Name: npsh datum plane height
Description: Difference between the NPSH datum plane and the reference plane ; Name: Height of the NPSH datum plane
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