V-ring VA yog ib qho tshwj xeeb tag nrho cov roj hmab foob rau kev sib hloov.V-ring VA yog lub foob zoo heev los tiv thaiv kev cuam tshuam ntawm av, plua plav, dej lossis kev sib xyaw ntawm cov xov xwm no, thaum khaws cov roj kiag li, vim nws qhov tshwj xeeb tsim thiab kev ua tau zoo, V-ring VA tuaj yeem siv rau ntau yam. ntawm ntau hom bearings, nws kuj tseem siv tau los ua lub foob thib ob los tiv thaiv lub ntsiab foob.