油ゆ圧あつ系けい統とうMeaningsNoun1. hydraulic systemKanji used油oil圧pressure系lineage統overallComposed of油ゆ圧あつoil pressureNoun系けい統とうsystem; lineage; ancestry; family line; group (e.g. of colors) (colours); family (e.g. of languages); party; school (of thought); close (evolutionary) relationship; a population sharing a common ancestor (in genetics); …Noun