Daim Ntawv Thov Welding Laser Hom rau ntawm Tus Ncej,

Qhov tshwm sim ntawm lub kaum sab xis vuam cuam tshuam rau qhov tsos ntawm cov khoom seem thiab tus nqi, piv nrog Argon arc vuam, cov kab vuam laser seams me dua thiab du.