concrete pier

例句：

1. 1. The concrete pier was constructed to support the weight of the bridge.
   混凝土桩被建造来支撑桥梁的重量。
2. 2.The engineers used a concrete pier to reinforce the foundation of the building.
   工程师们使用混凝土桩加固了建筑的基础。
3. 3.The construction of the new highway required the installation of several concrete pier supports.
   新建高速公路的建设需要安装几个混凝土桩支撑。