墩 的中文句子和英文句子

桥墩护槛保护桥椁免受浮冰碰撞的护栏或码头围栏

A protective pier or dock apron used as a buffer against floating ice.


梁腋，拱腋拱门上任意一个从拱顶到拱墩间的部分

Either of the sides of an arch, curving down from the apex to an impost.