Hydraulic jack, ndi jack yomwe imagwiritsa ntchito plunger kapena silinda ya hydraulic ngati jack yolimba.Pamene jack hydraulic jack ikugwiritsidwa ntchito, nthawi zambiri imakumana ndi momwe mpweya ulili mu silinda, kotero kuti jack hydraulic jack singagwiritsidwe ntchito bwino, ndipo padzakhala dontho pambuyo pa jack, ...
Werengani zambiri