slab culvert

例句：

1. 1.The construction crew was working on a slab culvert to divert the floodwaters.
   施工队正在修建一个板条涵洞，以疏导洪水。
2. 2.The slab culvert was designed to withstand the weight of heavy machinery.
   这个板条涵洞被设计来承受重型机械的重量。
3. 3. The slab culvert was constructed using reinforced concrete, which made it more durable.
   这个板条涵洞是用钢筋混凝土建造的，这使得它更加耐用。