單項(xiàng)選擇題
A.200mm B.400mm C.600mm D.800mm
A.450~500 B.500~550 C.600~620 D.800~900
A.隔蒸汽層 B.隔離層 C.隔熱層 D.隔聲層
A.0.5% B.1% C.1.5% D.2%
A.擱柵和屋面板或樓板等 B.主擱柵與次擱柵 C.擱柵與面層 D.面層與面層
A.30mm B.50mm C.60mm D.65mm
A.4.5m B.9m C.6m D.7.2m
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
A.300mm;250mm B.200mm;150mm C.100mm;200mm D.75mm;100mm