單項(xiàng)選擇題
A.鐵絲B.對(duì)拉螺栓C.水泥條D.鋼筋
A.300B.400C.500D.600
A.4B.3C.1D.2
A.250B.200C.180D.150
A.30°B.35°C.40°D.45°
A.50B.60C.70D.80
A.50B.80C.100D.150
A.55B.60C.65D.70
A.150B.180C.200D.220
A.0.8B.1C.1.2D.1.5
A.背水面B.迎水面C.側(cè)面D.正面