Nkhani Zowonetsera

  • Kufotokozera mwachidule kwa Jack ndi zolemba zake

    jack ndi kukweza kutalika kochepa (kochepera 1m) pazida zosavuta kwambiri zokweza. ili ndi mitundu iwiri yamakina ndi ma hydraulic. makina jack screw rack ina ndi ziwiri, chifukwa cholemetsa kuchokera kuntchito yaying'ono, nthawi zambiri imagwiritsidwa ntchito ngati makina akukonza mu buildin ...
    Werengani zambiri