Mica daim kab xev, tseem hu ua refractory mica daim kab xev, yog ua los ntawm mica daim kab xev thiab yog ib tug refractory rwb thaiv tsev cov ntaub ntawv. Raws li kev siv, nws tuaj yeem muab faib ua mica daim kab xev rau motors thiab mica daim kab xev rau cables. Raws li cov qauv, ...
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