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匈牙利是世界上第五大珍珠岩生产国,在欧洲位居第三。本文介绍了珍珠岩膨胀方法和产品应用情况,还报道了珍珠岩原矿的出口情况。
Hungary is the fifth largest perlite producer in the world and ranks third in Europe. This article describes the expansion method and product application of perlite, and also reports on the export of perlite ore.