A.150mm*150mm*150mm B.100mm*100mm*100mm C.150mm*150mm*300mm D.200mm*200mm*200mm
A.收縮 B.徐變 C.硬化 D.松馳
A.鋼筋表面形狀 B.混凝土強(qiáng)度 C.鋼筋強(qiáng)度 D.保護(hù)層厚度和鋼筋凈間距 E.混凝土水灰比