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1·There were 20 cracks at upstream face dam head of Huanren dam during construction which threatened dam safety.

桓仁大坝上游面施工期发现严重的劈头缝20条，威胁大坝安全。

2·The pier arrangement on spillway crest with sloping upstream face is studied by 310 sets of experiments in the paper.

本文通过310组试验，研究了上游面倾斜的溢流坝的闸墩布置。

3·There are many treatment method for seepage of concrete dam body. Blocking at upstream face and drainage at downstream face is one generally adopted.

混凝土坝体渗水处理目前方法很多，一般采用上堵下排的方法。

4·It was theorized with a high degree of probability that the change in period was due to the nonlinearity of the hydrodynamic pressure acting on the upstream face of the dam.

据推论最大可能性是在那一时间段非线性水压作用于坝体上游面所造成的差别。

5·The technique of extruded concrete side wall is a new method for construction of upstream face slab of CFRD, which was first used during construction of the Ita dam in Brazil.

挤压式混凝土边墙技术是混凝土面板堆石坝上游坡面施工的新方法。

6·The result shows that its impermeability depends on the position of the layer and its perfect performance can be achieved only when the layer was on the upstream face of underground construction.

试验结果表明，只有将其施作在迎水面时才能使其防水效能得到理想的发挥。

7·Both countries' energy sectors face declining revenues and the high costs of upstream exploration and production.

两个国家的能源领域都面临收入下降和上游勘探开发成本上升的困境。

8·No matter how the valve is installed, the back of the upstream seat protects the face of the downstream seat.

无论阀门如何安装，上游阀座的后背都能够保护下游阀座的表面。

9·Generally sources closer to, and upstream from, locations with more serious pollution problems face higher rates.

通常与资源接近，并且对于来自上游所在地的严重污染问题要面对更高的费率。

10·Is the stadium walk upstream flame is always in the footsteps of come and go, is the wind leaves, golden glow of refraction, thereby, can interpret athletes excited face.

是体育场上游走的火焰，是来去不息的脚步，是风中飞舞的树叶折射的金色光芒，借此，可以诠释%运动员兴奋的脸庞。