Submerged arc vuam (SAW), raws li lub npe qhia, yog ua nyob rau hauv qab ib tug tiv thaiv txheej los yog daim pam ntawm flux.Raws li lub arc yog ib txwm them los ntawm lub thickness ntawm flux, nws eradicates tej hluav taws xob los ntawm cov arches raug thiab tseem yuav tsum tau ntawm vuam cov ntxaij vab tshaus.Nrog ob qhov kev hloov pauv ntawm cov txheej txheem, au ...
Nyeem ntxiv