Hauv lub ntiaj teb ntawm cov tshuab hnyav, excavators ua lub luag haujlwm tseem ceeb hauv kev tsim kho, mining, thiab ntau yam kev lag luam. Ib qho tseem ceeb ntawm cov tshuab no yog cov excavator pads, uas muab qhov tsim nyog traction thiab stability. Kev lig kev cai, cov ntaub qhwv no tau ua los ntawm cov hlau, tab sis tsis ntev los no ...
Nyeem ntxiv