Lub tshuab hluav taws xob ntau zaus welded round yeeb nkab yog cov yeeb nkab uas ua los ntawm cov khoom siv hlau vuam (feem ntau steel phaj) ua ke siv cov hluav taws xob tiv thaiv hluav taws xob ntawm high-frequency tam sim no.
Sib nrug los ntawm high-frequency welded round yeeb nkab, nws kuj tseem hu ua high-frequency ncaj seam yeeb nkab, hluav taws xob welded ncaj seam yeeb nkab, ncaj seam yeeb nkab, high-frequency yeeb nkab, high-frequency welded yeeb nkab, los yog tsuas yog round yeeb nkab.
