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.≤2h且≤1000mm B.≤4h且≤1500mm C.≥2h且≥1000mm D.≥4h且≥1500mm
A.115mmB.120mmC.125mmD.240mm