长河孙勇，哈尔滨人，东北林业大学土木工程学院，桥梁与隧道工程学科在读硕士研究生。
Suen Yong, Postgraduate student of Civil Engineering Department, Northeast Forestry University. Major in Bridge and Tunnel Engineering.
本课程系统介绍了桥梁与隧道工程结构试验的目的、分类、原理及方法、应用及无损检测技术。
This curriculum system introduced the bridge and the tunneling structural testing goal, the classification, the principle and the method, the application and the lossless examination technology.
山区高速公路建设中，路线最大纵坡与工程量、工程造价的矛盾十分突出，若严格执行标准会出现大量高填、深挖路基、长大桥梁及隧道。
In the construction of expressway in mountain area, the contradiction of the maximum longitudinal slope with engineering's volume and cost is very prominent.
山区高速公路建设中，路线最大纵坡与工程量、工程造价的矛盾十分突出，若严格执行标准会出现大量高填、深挖路基、长大桥梁及隧道。
In the construction of expressway in mountain area, the contradiction of the maximum longitudinal slope with engineering's volume and cost is very prominent.
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