The beams have been used on a test railroad bridge in Colorado and several road bridges in Illinois and New Jersey.
这种梁已经用在科罗拉多州的一座试验铁路桥,以及伊利诺斯州和新泽西州的多座公路桥上。
The ancient Silk Road is now regaining its former prosperity and has become a new bridge for economic cooperation with other nations.
古代的丝绸之路正在重现昔日的繁荣景象,并已成为中外经济合作的新桥梁。
This paper introduces the actual provision about road bridge criterion controling durability, and some new methods to improve reinforced concrete bridge durability.
介绍了现行公路桥梁规范控制耐久性的规定,以及提高钢筋混凝土桥梁耐久性的新方法。
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