precast block

例句：

1. 1. The construction crew used precast blocks to build the foundation of the new bridge.
   施工队使用预制块建造了新桥的基础。
2. 2. The engineer recommended using precast blocks for the exterior wall instead of traditional bricks.
   工程师建议使用预制块而不是传统砖块来建造外墙。
3. 3. The contractor was asked to install precast blocks in the basement to improve its structural integrity.
   承包商被要求在地下室安装预制块以增强其结构完整性。