רוסית ⇄ אנגלית

наваривать под печи огнеупором מתח
.מֵטַל	burn a refractory material into the furnace bottom; sinter a refractory material into the furnace bottom
	sinter in refractory material; sinter refractory material into the furnace bottom; burn in refractory material; burn refractory material into the furnace bottom