hat
1. la èstrikti machin lan se symmtrical 3-woulo liv, de lis pi ba simetrik santral kote yo ye, se sak rive vre pratik pou mouvman vètikal pou machin.
eng
1. the structure of the machine is symmtrical 3-roll, two lower rolls are symmetrical central location, so it is convenient for machine vertical movement.