Tshuaj lom neeg muaj pes tsawg leeg ntawm EN10217-3 Welded Yeeb Nkab
Tus qauv tshuaj xyuas tau tshaj tawm los ntawm cov hlau tsim nyog yuav tsum tau siv thiab yuav tsum ua raws li cov kev xav tau ntawm rooj 2.
Thaum vuam tub nkoj tsim raws li cov ntaub ntawv no, tus account yuav tsum tau ua kom sov, suav nrog kev kho cov hlau, tab sis kuj thov kev npaj thaum npaj thiab nqa tawm cov vuam.
