单项选择题
A.板式楼板 B.梁板式楼板 C.井式楼板 D.无梁楼板
A.1%~1.5% B.2%~2.5% C.2%~3% D.2.5%~3%
A.1.05 B.1.10 C.1.15 D.1.20
A.h+b=600~620 B.h+2b=600~620 C.b+2h=450 D.2h+b=600~620
A.23°~30° B.23°~45° C.23°~60° D.23°~25°
A.2 B.3 C.4 D.5
A.保温层设在结构层之上 B.保温层设在结构层之下 C.保温层设在防水层以上 D.保温层设在保护层以上
A.2% B.3% C.5% D.10%
A.1:8B.1:10C.1:12D.1:14
A.500 B.700 C.900 D.1000
A.2000 B.2200 C.2400 D.2500