耐火砖砖缝厚度为Ⅱ类的，其砖缝厚应小于( ) mm。A.0.5 B.1 C.2 D.3

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问题耐火砖砖缝厚度为Ⅱ类的，其砖缝厚应小于( ) mm。

选项 A.0.5 B.1 C.2 D.3

答案 C

解析耐火砌体按砖缝厚度分类

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