down pipe是什么意思

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用法例句

Taking the Changshu region of Jiangsu Province for an example,through analysis on drainage modes of rainwater in low-lying field,the existing problems in conventional design method for flooded fields drainage were put forward,and the conception and method for pressure rainwater pipe design were discussed as well.

　以江苏常熟地区为例,通过对圩区雨水排水工况的分析,提出了传统雨水设计方法在圩区排涝设计中存在的问题,并探讨了圩区压力流雨水管道设计的思路和方法。

In order to improve the water drainage reliability of the rainwater pipeline,the reliability theory of engineering structure is introduced into rainwater pipeline.

为提高雨水管道的排水可靠性,将工程结构可靠性理论引入了雨水管道中,提出了雨水管道的概率极限状态水力计算方法,给出了目标可靠指标建议值,并计算出与之相对应的分项系数,形成了基于可靠性的以分项系数表达的概率极限状态水力计算公式。

This paper submit some methods of rainwater pipeline combining with geography feature, such as the pipe diameter determination and pipeline embed are conducted separately, hydraulic calculation adopts unitary hydraulic gradient, the pipeline embed adopts unitary setter slope, advocating plain joint and spout covering and so on.

本文结合河网平源地区的水文地理特点,提出了雨水管道设计中管径确定与管道埋设分别独 立进行,水力计算采用统一的水力坡降,管道埋设采用统一的安装坡度,以及提倡管底平接等设计思想与计算 方法。

The structure and function of the intelligence system for storm sewer design are described.

介绍了国内外排水管道计算机辅助设计软件的发展状况及典型软件的特点,分析国内外排水管道辅助设计软件存在的问题及成因,提出排水管道智能辅助设计系统是排水管道辅助设计软件的发展方向,并描绘了雨水管道智能辅助设计系统的结构及各模块的功能

Presently, regarding the design of storm sewer, many designed departments still adopt the method of consulting the chart for hydraulic calculation, this computational method depends on experience, low precision , time-consuming, and unfavourably optimizating the design.

目前,对于城镇雨水管道的设计,大多设计部门仍采用查图查表的方法进行水力计算,这种计算方法是凭经验进行的方法,费时费力、计算精度不高,不利于设计方案的优化。

Integrated Design for Storm Water Management in Newly Built Residential District of Germany

德国新建住区针对雨水管理的整合设计

Best Management Practices (BMPs) in Stream Corridor Renaturalization,Flood Control and Stormwater Management at Lower Rhine;

下莱茵流域河道半自然化、生态防洪与雨水管理案例

The new pipes and network will be designed and built for treatment of early-stage rainfall.

新建排水管网考虑初期雨水处理设计。

Rain Water Pipe

雨水渠管（俗名清水垌）

Sewage water treatment system has advanced and separate rain water and sewage systems.

污水处理系统，采用先进的雨污分流管网。

Application of Drainage Model for Urban Storm Water Quantity Management;

排水系统模型在城市雨水水量管理中的应用研究

Although it rain, throw not away your watering pot.

尽管天下雨，水罐不可丢。

Development and Application of the Storm Flood Computation Model for Urban Storm-water;

城市雨水管网暴雨洪水计算模型研制及应用

A New Sustainable Stormwater Management--Low Impact Development:A Review

可持续雨洪管理新策略——低影响开发雨洪管理

Sustainable management of urban stormwater--the design and inspiration of Green Street,Portland

城市雨水的可持续管理——波特兰绿色街道的设计及其启示

We used waterspouts to drain off the rain

我们用水落管来排掉雨水。

This essay also introduces some installation methods of rain cups and pipes suitable to the big house surface draining rain through pressure flow rain drainage system.

介绍了适用于大屋面雨水排放的压力流雨水排水系统中雨水斗和管道的安装方法。

Model Development of Pollutant Concentration in Rainwater Pipe and Research on Multi-Function Rainwater Pond

雨水干管中污染物浓度模型的建立及多功能雨水池的研究

Optimal Design for Rainwater Pipe Network and Pumping Station by Utilizing Wetlands System

利用湿地系统对雨水管网及雨水泵站进行优化设计

Technical specification for UP-VC pipeline work of roof rainwater drainage

屋面雨水排水硬聚氯乙烯管道工程技术规程

The Research of Hydraulic Calculation of Urban Rainwater Pipe Networks Based on Reliability;

基于可靠性的城市雨水管网水力计算研究

On Hydraulic Parameter Value in Rain Pipeline Design

浅谈雨水管道设计中水力参数如何确定

On Construction of Rainfall Pipeline with Deep Trench, Big-diameter in the Pile Group of Waste Old Building

废弃老建筑群桩内深沟槽大管径雨水管道施工