Zircon
แปลว่า(english) The mineral zircon silicate, ZrSiO4, a very high melting point acid refractory material used as a molding material in steel foundries.
หรือคุณกำลังค้นหา Zircon, Acid Process 2, Acid, refractory, Zirconia, Acid-Process, refractor, refractory concrete, Acid Process 1