Sab hauv vuam yog ua los ntawm kev txuas lub vuam caj npab mus rau sab hauv ntawm tus taw tes lagging tom qab lub steel sawb txoj kev sib sau thiab ua ke. Ob leeg sab hauv thiab sab nraud vuam ntiav cov DC rov qab polarity Submered arc tsis siv neeg vuam txoj kev.
Cov txheej txheem ntau lawm ntawm muab kauv welded yeeb nkab - lub luag haujlwm ntawm sab hauv vuam
Mar 09, 2025
Xa kev nug
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