1, qhov no feem ntau tshwm sim los ntawm nres nres lossis nres disc deformation. Nws muaj feem xyuam rau cov khoom siv, ua kom raug thiab kub deformation, xws li: thickness sib txawv ntawm nres disc, roundness ntawm nres nruas, hnav tsis sib xws, kub deformation, tshav kub me ntsis thiab lwm yam. Kev kho mob: C...
Nyeem ntxiv