Kab ua khoom qab zib tawv nrog kev ua noj ua haus ntau ntau
Cov pwm tsim rau cov khoom qab zib nyuaj yog nyob rau hauv ib qho clamping style uas yog ib qho cuab yeej zoo tagnrho rau kev tsim ntau hom khoom qab zib nyuaj.
Yog tias lub peev xwm no tsis tuaj yeem ua tau raws li cov neeg siv khoom xav tau, peb tseem muaj cov kab loj.








































































































