Cov raj no yog tsim los tsis muaj welds raws li lawv qhov ntev, uas ua rau lawv muaj ntau yam zoo. Ib qho ntawm cov txiaj ntsig tseem ceeb yog lawv txoj kev txhim kho lub zog thiab kav ntev. Txij li thaum tsis muaj vuam seams uas yuav muaj peev xwm ua tau cov ntsiab lus tsis muaj zog, cov raj seamless tuaj yeem tiv taus qhov kub thiab txias. Qhov no ua rau lawv zoo tagnrho rau cov ntawv thov hauv kev lag luam roj thiab roj, qhov twg cov kav dej yuav tsum tau thauj cov kua dej thiab cov pa roj hauv lub siab hnyav.
Cov cwj pwm tseem ceeb
Kev lag luam tshwj xeeb yam ntxwv
| Hom | Gnee |
|
Tshooj Duab |
Hloov |
| Kev kho saum npoo | Txias Rolled |
| Ua siab ntev | ±1% |
| Oiled los yog tsis- oiled | Tsis yog roj |
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