Lub universal joint cross shaft yog ib qho "flexible connector" hauv kev sib kis tshuab, uas tsis yog tsuas yog daws qhov teeb meem ntawm kev sib kis fais fab ntawm cov khoom sib txawv nrog cov axes sib txawv, tab sis kuj txhim kho kev ruaj khov thiab lub neej ua haujlwm ntawm lub cev sib kis los ntawm kev buffering thiab kev them nyiaj. Nws yog ib qho tseem ceeb hauv kev sib kis fais fab.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-12-2025