n.制烧箱的耐火黏土箱，匣钵
Application: Used as Kiln shed board, slide push board, sagger, Tuyere combined bricks.
用途: 工业窑炉用棚板、立柱 、 槽板 、 推板 、 匣钵、卡具、风口组合砖等.
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