Cov Ntsiab Lus Tseem Ceeb: Redefine Hlau Ua Tau Zoo thiab ib puag ncig cov qauv
Ib Leeg-PASS MILL yog cov khoom siv uas ua tiav Rolling deformation tsuas yog los ntawm kev yob ib zaug hauv cov txheej txheem hauv qab no: