Ib tug ntoo khaub lig rau lub tsheb yog ib feem tseem ceeb ntawm lub tsheb chassis qauv. Nws spans horizontally hla lub underside ntawm lub tsheb, txuas rau sab ncej thiab muab kev txhawb nqa rau cov khoom tseem ceeb xws li lub cav, kis tau tus mob, thiab ncua kev kawm ntawv. Feem ntau yog ua los ntawm cov hlau muaj zog los yog txhuas, cov neeg hla kev txhim kho lub tsheb rigidity, faib cov khoom sib npaug, thiab ua rau muaj kev nyab xeeb zoo los ntawm kev nqus thiab deflecting cuam tshuam lub zog. Lawv cov qauv tsim thiab cov khoom siv tseem ceeb heev rau kev tswj xyuas cov qauv kev ncaj ncees, kev ruaj ntseg ntawm lub tsheb, thiab kev nyab xeeb tag nrho.
Cim npe nrov: Tuam Tshoj Cross tus tswvcuab rau lub tsheb, Tuam Tshoj Cross tus tswvcuab rau tsheb manufacturers, lwm tus neeg
