Hluav taws xob kuj welding(ERW) yog cov txheej txheem vuam uas cov hlau nyob rau hauv kev sib cuag tau txuas mus tas li los ntawm kev ua kom sov nrog cov hluav taws xob tam sim no, melting cov hlau ntawm qhov sib koom ua ke. Hluav taws xob tsis kam vuam yog dav siv, piv txwv li, hauv kev tsim cov yeeb nkab steel.
Post lub sij hawm: Jan-21-2022