Itondekanya rya ferrosilicon: Ferrosilicon 75, muri rusange, ferrosilicon ifite silikoni igizwe na 75%, karubone nkeya, fosifore na sulferi, Ferrosilicon 72, ubusanzwe irimo silikoni 72%, kandi ibirimo karubone, sulfure na fosifore biri hagati.Ferrosilicon 65, ferrosilicon hamwe na ...
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