不受压力波动的影响，连续排水，噪声小。
To drain continuously with low noise, without being affected by the fluctuation of the pressure.
基于变分原理，研究渗流分析中模拟排水孔和不连续面的复合单元法。
Based on the variation principle, the composite element method (CEM) is studied for seepage analysis considering discontinuous surfaces and drainage holes.
阐述了管井井点排水的设计布置及井点钻孔质量、三滤质量、洗井质量、抽水连续性等关键工序的施工技术。
The design layout, key process of construction, such as well point drilling quality, filtrating quality, well washing quality, continuity of pumping were discussed.
应用推荐