A.200mm,200mm B.200mm,400mm C.400mm,500mm D.800mm,1000mm
A.嵌水泥砂漿 B.立磚斜側(cè) C.半磚順砌 D.澆細(xì)石混凝土
A.180mm×180mm B.180mm×240mm C.240mm×240mm D.370mm×370mm