Kev siv thev naus laus zis ntawm U-shaped bolts

Feem ntau muab faib ua txias khoov bolts thiab kub dabtsi yog khoov bolts. U-bolts los yog kho bolts yog qhov tsis yog tus qauv. Cov duab yog U-puab, tseem hu ua U-bolt. Ob qhov kawg ntawm cov xov tuaj yeem ua ke nrog cov txiv ntoo. Cov kav dej ruaj khov xws li cov kav dej lossis lub tsheb steel phaj springs yog hu ua eeb bolts vim tias cov khoom ruaj khov zoo li tus neeg caij nees.
Xaus: Muaj ntau U-bolts hauv peb lub neej. U-bolts tau coj kev yooj yim rau peb lub neej, xws li U-bolts siv rau cov ntaub me me thiab U-bolts siv hauv kev thauj mus los los txo qhov cuam tshuam.