substructure of bridge

• 桥墩

substructure of bridge的用法和样例：

例句

1. It swirled against the log spires of the bridge.
   河水冲激着桥墩，泛起漩涡。
2. Specially shaped massive piers along the ocean floor would be needed to keep the bridge stable.
   这就需要沿着海床布置具有特殊形状的大桥墩以保证桥的稳定性。