Floor - beam webs have cracked in tied arch bridges.

在系干拱桥的横梁腹板上发生裂纹.

辞典例句

Mezzanine structure is make up of steel column, floor beam, meal deck, etc.

楼层结构由框架柱 、 楼层梁 、 钢楼承板以及边模板等组成.

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