单项选择题
A.1,0.5m,0.5~1.Om B.1,0.5m,0.8~1.5m C.2,0.5m,0.5~1.Om D.2,1m,0.8~1.5m
A.1/2PL B.1/4PL C.1/8PL2 D.0
A.矿渣硅酸盐水泥 B.火山灰硅酸盐水泥 C.粉煤灰硅酸盐水泥 D.硅酸盐水泥
A.20mm B.30mm C.60mm D.80mm
A.3236 B.3314 C.3364 D.3386
A.3,1/1000~3/1000 B.3,3/1000~5/1000 C.4,1/1000~3/1000 D.4,3/1000~5/1000
A.镀膜玻璃B.夹层玻璃C.夹丝玻璃D.钢化玻璃
A.分段分层 B.斜面分层 C.全面分层 D.截面分层
A.正方形 B.圆形 C.长方形 D.菱形
A.1/3hB.1/2hC.3/4hD.2/3h
A.6~9度 B.7~9度 C.6~10度 D.7~10度