Tsawg voltage DOL (direct-pib) ultra high efficiency peb-theem mus tas li hlau nplaum synchronous lub cev muaj zog rau flotation siv conveyor hauv metallurgical kev lag luam

Cov khoom no yog cov cuab yeej txhawb nqa rau lub flotation siv conveyor hauv cov hlau lead-zinc mining cog thiab tau raug xa mus rau cov neeg siv khoom siv. Cov lus teb ntawm qhov chaw yog qhov zoo.