河南成教 / 装配式混凝土建筑施工技术
正确率:100%
3[单选题]
评定混凝土强度试件的规格是( )
A.70.7mm*70.7mm*70.7mm
B.100mm*100mm*100mm
C.50mm*50mm*50mm
D.150mm*150mm*150mm
评定混凝土强度试件的规格是( )
参考答案:
佳题速递: