precast concrete slabs

• 混凝土预制板

precast concrete slabs的用法和样例：

例句

1. It was made of a large precast concrete panel.
   这是由一大型混凝土预制板制成的。
2. This new kind of slope protection can avoid some defects of traditional concrete prefabricated components and is worth of being spread in grit slope protection.
   此种新型护坡结构可避免传统混凝土预制板护坡的某些弊端，为砂堤护坡工程提供了具有实用价值的推广方案。