And the test shows that the using condition of modified zirconium spinel brick is more bad than direct-bonded magnesia brick but as for chrome periclase-spinel compound brick (LYC) it is better.
试验表明，加锆改性尖晶石砖的使用情况较直接结合镁铬砖差，而加铬方镁石复合尖晶石砖(LYC砖)的使用效果好于直接结合镁铬砖。
These chrome free bricks include dolomite bricks, magnesia spinel bricks and magnesia calcium zirconate bricks.
研究表明，用白云石砖、尖晶石砖、镁锆钙砖代替镁铬砖，符合碱性砖无铬化的发展趋势。
These chrome free bricks include dolomite bricks, magnesia spinel bricks and magnesia calcium zirconate bricks.
研究表明，用白云石砖、尖晶石砖、镁锆钙砖代替镁铬砖，符合碱性砖无铬化的发展趋势。
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