单选题水泥胶砂强度试验的标准试件尺寸为（）A 150mm*150mm*150mmB 40mm*40mm*160mmC 70.7mm*70.7mm*70.7mmD 50mm*50mm*50mm

题目
单选题
水泥胶砂强度试验的标准试件尺寸为（）
A

150mm*150mm*150mm

B

40mm*40mm*160mm

C

70.7mm*70.7mm*70.7mm

D

50mm*50mm*50mm

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