roller frame and pivot shaft

同义词释义

1)roller frame and pivot shaft,支重轮架和枢轴2)roller frame,支重轮架3)Shaft-track roller,支重轮轴4)track roller frame bearing,履带支重轮[台车]架轴承5)lever pivot arm,操纵杆枢轴支架6)Roller & bearing as,支重轮和轴承组件