【单选题】
水泥安定性制作表面光滑的试饼的直径为___。
A. 50mm
B. 60mm
C. 70～80mm
D. 100mm
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答案
C
解析
暂无解析
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混凝土立方体抗压试验,加荷速度以___的速度连续而均匀地加荷。
A. 0.1～0.2MPa/s
B. 1～2MPa/s
C. 0.3～0.8MPa/s
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