【判断题】【消耗次数：1】
国家标准规定：硅酸盐水泥、普通硅酸盐水泥的比表面积应大于300m2/kg。
①
正确
②
错误
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相关题目
【单选题】
通用硅酸盐水泥的主要组分包括（ ）。
①
硅酸盐水泥熟料、石膏和混合材料
②
硅酸盐水泥生料、石膏和混合材料
③
石灰、石膏和混合料
④
硅酸盐水泥熟料、石灰和混合材料
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