upstream wall的意思|示意

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。

On this basis, the curve shapes and the formulas of upstream crest and downstream crest and those under the breast wall of the spillway dam are presented.

并以此为依据，提出有胸墙的溢流坝的堰顶上、下游及胸璃底缘的曲线型式和相应的计算公式。

By mid-2006, construction of the main wall was completed and a reservoir more than 2 miles (3 kilometers) across had filled just upstream of the dam.

到2006年中期，建设主墙已完成，水库超过2英里(3公里)，跨越了充满正义上游的大坝。