最近中文字幕免费MV第一季歌词,欧美一级婬片AAAAAAA欠钱,gogogo高清在线观看免费视频完整,国产裸体美女免费无遮挡

鋯莫來石制品

本產(chǎn)品屬酸性材料，抗渣性強(qiáng)，熱膨脹率小，荷重軟化溫度高，廣泛用于玻璃、化工、冶金等窯爐侵蝕性強(qiáng)的部位。

ZIRCON.ZIRCON-MULLITE PRODUCTS

The products are acid refractories with the properties of strong resistance to slag, low thermal expansion coefficient and high refractoriness under load. they are widely used in the high erosive zones in the furnaces of the glass, chemistry and metallurgy industries.