1. Rivet txiv ntoo yog ua los ntawm cov hlau carbon, txhuas thiab stainless hlau.
2. Rub cov txiv ntoo rivet, tseem hu ua rivet txiv ntoo, tuaj yeem muab faib ua cov txiv ntoo rivet taub hau tiaj tus, countersunk taub hau rivet txiv ntoo, me me countersunk taub hau rub rivet txiv ntoo, ib nrab rau tso tawm rub rivet txiv ntoo, thiab lwm yam. Cov ntaub ntawv tseem ceeb siv: hlau, txhuas, tooj liab, stainless hlau, thiab lwm yam, uas yog siv dav hauv cov hlau ntawv, hlau ntawv nyias, chassis, txee, thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-29-2021