down feed是什么意思

网络释义

用法例句

Existing problem and countermeasure of college and university underground water supply pipeline maintenance

高校地下供水管线维修存在的问题与对策

Down Feed Riser

下供立管（俗名落水立管）

Bad pipelines carrying sewage contaminate groundwater which spells doom for people relying on it for their drinking water.

不好的水管会带著污染有害的地下水，供给仰赖这个供水系统的人民喝。

The optional management plan presents the recommendations of demarcation of river water and ground water quality for supplying in order to improve the utilization ratio of water resources.

在优化管理方案中提出,对河水和地下水实行分质供水,以提高水资源的利用率。

Self-supply wells in the groundwater over-extracted area will be phased out and the reconstruction and expansion of existing water distribution network will be completed.

有计划分步骤地关停地下水超采地区部分自备井，同时对现有供水管网进行改造。

Study on the Groundwater Environment Simulation of City s Wellfield and the Countermeasure of Feeding Water Supplyment;

城市供水水源地地下水环境模拟与安全供水对策研究

Resources Evaluation on Groundwater of the Emergency Wellfield in the North Wuqing District of Tianjin;

天津市武清北应急供水水源地地下水资源评价

Analysis on the Water Supply Prospect of the Emergency Water Source in the Major Cities of North China

华北主要城市地下水应急水源地供水前景分析

Analysis of Water Supply Based on Quality Mode in Rural Areas with Fluoride-rich Groundwater

高氟地下水源农村地区的分质供水模式分析

Research on Dividing Districts and Optimization Technology of Water Supply Network of Mountainous Urban;

山地城市供水管网分区优化技术研究

Establishment and application of GIS for water supply network

供水管网地理信息系统的建立与应用

Research on the Water Supply Network Supervision System in Mine Yard

矿山工业场地供水管网监测系统研究

Pullout Test Research on the Underground Water Pipelines

埋地球墨铸铁供水管道轴向拉拔试验

a conduit that carries away sewage or surface water.

一种运输地下水或地表水的管道。

Design and Realization on GIS of Urban Water Supply NetWork Management System;

城市自来水供水管网地理信息系统设计与实现

Phreatophytes continuously contact the groundwater and thus ensure their water supply.

它不断的连通与地下水，使保证它的水提供。

Analysis of the Groundwater-supply Security about the Representative Cities in North China Plain

华北平原典型城市地下水供水安全保障分析

The research themes are: Sustainability of groundwater supply， Resource recovery, Groundwater and the Environment.

研究主题是：地下水供应的可持续性，资源恢复，地下水与环境。