局部开挖 meaning in English
local excavation
partial excavation
Examples
- Because the location of landside is too close to the dam which presents risks to some extent , the treatment methodology involved in local excavation and local slide promotion for no . 2 landslide has been proposed
鉴于滑坡距坝太近，有一定风险，据此提出对号滑坡分别作局部开挖和局部促滑的处理方案。 - A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models . based on the comparison of different schemes , the change of the discharge and the flow current in a branch were analyzed , and the relationship between the flow condition and excavation area , scope as well as mode was discussed , the conclusions show : ( 1 ) in a branching rocky rapids , the velocity may be reduced and flow condition can be improved by excavating one channel partly
本文在对各种数学模型比较的基础上，应用二维水动力数学模型研究典型石质汊流滩? ?广西浔江鲫鱼滩航道整治工程方案，通过各方案计算结果比较，分析了不同汊道的开挖及汊道内不同开挖面积、开挖范围以及开挖方式所引起的分流比及工程区域航道水力条件的变化规律，研究结果表明： ( 1 )对于石质汊流滩来说，在某一汊道通过局部开挖河槽，扩大过水断面面积，可以达到降低工程段流速、改善局部水流条件的目的。