This paper mainly introduces the cable erection construction experience and the key control points of main span arch boxes of Wentanghe Extra Large Bridge on Chongqing-Linshui Expressway.

主要介绍了渝邻高速公路温塘河特大桥主跨拱箱缆索吊装的施工经验及控制要点。

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In this paper, the erection schemes, principal construction techniques for the steel tube arch and geometry control during erection of the arch of the Bridge are presented.

介绍大桥钢管拱的安装方案、主要施工技术以及施工过程中的线形控制。

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Based on the investigation and research result by reading, analyzing and summarizing lots of literatures, this paper discusses the electro-hydraulic control system of shield machine's erection system.

本论文在对盾构技术充分现场调研的基础上，通过阅读、分析及综合大量文献，对盾构管片拼装机电液控制系统进行了设计与分析研究，并得出了一些有价值的结论。

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Unfortunately, the operation often causes nerve damage which can make it nigh-on-impossible for men to achieve erection afterwards, or maintain complete control over urination.

BBC: Prostate cancer