Dab tsi yog qhov txuas txuas ua haujlwm?
Drag Links (DLs) txuas lub kauj iav thiab lub pitman caj npab ntawm ib lub tsheb log.Tie Rods (TRs) txuas cov kauj ruam ntawm sab laug thiab ntawm lub log sab xis kom hloov cov kauj ruam.THK tsim thiab tsim DLs thiab TRs rau ntau daim ntawv thov thauj khoom.
