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- underground drainage network 地下排水管网
- New Stormwater drainage network. 新的雨水排放系统。
- It is pointed out that underground drainage engineering should be the main measure in pebbly-clay landslide control. 指出在含碎石黏性土滑坡的防治中，应将地下水排水措施作为主要防治措施。
- Based on observations of underground drainage system in Hebi Mining Area, the reasons were found out and analyzed for reduced gas quantity from the drainage system. 本文通过对鹤壁矿区井下煤层气抽采系统的实际观测,查找和分析出系统抽采纯量降低的原因,提出了抽采系统调整的办法。
- Focus on road and bridge projects, urban drainage network, gas heat pipe network, telecommunications power network construction. 重点抓好路桥工程、城市给排水管网、燃气热力管网、电信电力管网建设。
- Extraction of digital drainage network from DEM(Digital Elevation Models) is the base of distribution hydrological model. The source of DEM are various. 基于数字高程模型DEM(Digital Elevation Models)提取水系信息，是研究分布式水文模型的基础。
- This paper issues the framework and definition of the codification method in the DWM,delineates a drainage network in this special way with its own numerical character. 阐述了数字流域模型河网编码方法的主要思路和基本定义,给出了这种编码方法对河网拓扑关系的描述方式,并结合实例分析了其数值特征。
- Special Function of underground Drainage 地下排水的特殊功能
- On the basis of raster DEM data in the Baohe River basin, this paper presents an application of DEDNM to generate drainage network automatically, build digital basin, and extract drainage network to establish the topological river network structure. 本文基于褒河流域栅格数字高程模型DEM(Digital Elevation Model)数据，采用数字高程水系模型DEDNM(Digital Elevation Drainage Network Model)，自动生成河网，构建数字流域，提取流域水系信息，建立流域水系空间拓扑关系。
- The validity of drainage network and the rule of terrain characteristics from different grid size DEMs are researched, and the quantitative basis is provided for the confirmation of hydrological model parameters. 研究在不同网格DEM基础上生成的流水网的有效性及地形特征值的规律,为流域水文模型参数的确定,提供定量依据。
- As one of the major venous circuits of the extrahepatic portal circulation,the venous arcades of the pancreatic head forms the venous drainage network of the pancreas,jointly with some ... 作为肝外门静脉系统最重要的两大静脉属支环路之一的胰头静脉弓和来自脾静脉、肠系膜上静脉的属支组成了引流胰腺血液的静脉框架。
- Sewage treatment plants, urban drainage network transformation, rivers, such as the comprehensive rectification of the large number of key construction projects has lagged far behind. 污水处理厂、城市排水管网改造、河道综合整治等一些关键性的大项目建设明显滞后。
- Design of a Computer Control System Used in Underground Drainage 井下低洼点排水计算机控制系统的设计
- A Special Protection Method for Underground Drainage Pipeline 地下排水管道的特殊保护方法
- Intelligent Instructor of Underground Drainage System 井下排水系统智能监控仪
- Underground drainage system of the building in common parts 楼宇公用地方范围内的地下排水系统
- The Research on the Fraction of Drainage Network 水系分形研究的若干思考
- He came to look at the drainage. 他是来检查排水设备的。
- Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
- three-dimension drainage network 三维土工排水网
