Hluav Taws Kub Ntaus Hexagon Cam Khwb Cia Ua Nrig Nrig Ntaus Hose Txuas
Cov lus piav qhia luv luv:
Peb cov hluav taws sib ntaus hexagon cam khwb cia brass Hose txuas yog lub tswv yim txhim khu kev qha thiab cov kev xav tau hluav taws kub. Ua los ntawm cov khoom ua tau zoo, cov txuas no ua kom muaj kev ruaj ntseg thiab xau dawb sib txuas ntawm cov hoses, muab cov nyiaj tau los ntawm kev kub ntxhov.
