prefabricated concrete

• 预制混凝土

prefabricated concrete的用法和样例：

例句

1. Between these are fixed precast concrete external cladding panels.
   在它们之间填上预制混凝土的外层空心板。
2. Precast concrete requires careful attention to the joinery between precast elements.
   对于预制混凝土结构物，需要十分注意预制构件间的连接。