Ruwan roba na液压nau'in bututun roba ne wanda ya fi na yau da kullun na roba duk abin da ke cikin aiki ko cikin aiki。Ya fi karkata ne ta rufin roba na ciki da tsakiyar roba Layer da coil na karfe da yawa。Ayyukan roba na ciki shine don ba da damar matsakaicin abin da aka isar da shi don jure wani matsi kuma halin yanzu don hana igiyar karfe ta lalata。Layin roba na waje shine don hana wayar karfe karɓar wasu nau'ikan lalacewa。Wannan yana三亚waya ta ƙarfe kamar yadda kayan aikin ke taka rawa wajen ƙarfafawa。Ruwan roba na液压ba wai kawai zai iya amfani da wutar lantarki don jigilar kafofin watsa labaru kamar ruwa da iska ba, har ma yana watsa manyan hananyoyin sadarwa kamar mai, ta yadda zai iya tabbatar da ci gaba da zazzagewar ruwa da makamashi。