很多公路桥的桥墩是从河谷里建造起来的.Most road bridges have piers rising out of the vally.桥墩的受力会把它们压到水面以下的.Those piles of yours could be hammered below water level before they'd hold.既然如此, 防 撞击桥墩垮塌的设计尤其显得重要.That being the case, anti ...

“桥墩”的拼音为：qiáo dūn...

“桥墩”的英语可以翻译为：(bridge) pier ...