Qhib hom countersunk taub hau txhuas qhov muag tsis pom pop rivet

Kev Piav Qhia Luv:

Cov rivet dig muag yog siv rau cov khoom siv riveting ib sab, thiab feem ntau rivet tsis tas yuav tsum yog los ntawm ob sab ntawm cov khoom txuas nrog, yog li ntawd, tuaj yeem siv rau qee sab ntawm cov khoom txuas nrog vim muaj kev txwv ntawm cov qauv.