合厚度混凝土墙板模型
total thickness wall plane model
total-thickness model
钢筋混凝土封盖
reinforced concrete cover
混凝土底板
concrete floor
concrete bottom slab
concrete dam-bed
concrete underlying board
原位预制混凝土底座
in situ and precast intermittent kicker
锥底混凝土立筒仓
concrete silo cone bottom