11. 【24hr】An innovative opening mechanism for a footbridge 包量 机译 一种创新的行人天桥开启机制 作者:Lee Franck; 刊名:Proceedings of the institution of civil engineers 2011年第be2期 摘要:Opening bridges are often the only way of responding to the challenges of construction ...
of Engineers, Alaska District offering major programs including military construction, water resources development, and environmental cleanup. A 1.2-million-dollar procurement action was submitted by the district to Concrete Technology to manufacture a deep floating breakwater to expand Douglas Harbor. The ...