drainage pipe system 中文意思是什麼
drainage pipe system
解釋
排水管網-
Experiment and research on seepage effect by underground pipe drainage system of paddy field in saline soil coastland
濱海鹽土地區稻田暗管排水效果試驗研究 -
Gis - based urban drainage pipe network information system
的城市排水管網信息系統 -
The original sovent fitting grants a flush performance of a single stack drainage system of 8. 7l s without additional primary ventilation pipe
使用吉博力蘇維脫管件，無需另外的通風管立管，其立管最大排水能力可達8 . 7升秒。 -
Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm
論文通過對不同埋深、間距的塑料暗管排水布局的分析，結合非穩定流公式和效益指標，提出了麥田排水暗管布局的二維非線性規劃模型，並利用梯度投影法求解，得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ，間距s = 21 . 58m 。 -
Development and application of planning and management system on urban drainage pipe network based on gis
的排水管網規劃管理系統的開發及應用 -
The study on moving velocity of solids in horizontal pipe of drainage system in buildings
建築排水橫管中固體物移動速度的研究 -
Standard specification for polyethylene stay in place form system for end walls for drainage pipe
排水管端壁的聚乙烯固定型系統標準規范 -
Based on comprehensive investigation to hydrology present situation, quantity and distribution of pollutional sources, drainage situation of waste water and water ' s pollution matters, location distribution of drainage of waste water, quality of river water and underground water, drainage pipe system and environmental hygiene in eastern city - guarding river valley, the author exhaustively analyzes the cause of exsiting environmental problems and provides suggestions in comprehensive administration of eastern city - guarding river
摘要在對東護城河流域水文現狀、污染源數量及分佈、廢水及污染物排放情況、排污口分佈、河流水質、地下水水質、流域內排水管網和環境衛生狀況進行認真調查的基礎上，對其存在的環境問題及其成因進行了詳細分析，並提出了具體的流域綜合治理建議。 -
As a important component in cppm - gis, this paper illustrates detailedly the mathematics model of optimum design and direct optimization method for drainage pipe - net under gis. as a key stage in planning and designing the drainage system, the caculation of pipe - net is very critical and time - consuming. this paper brings forward the recursive arithmetic for pipe - net and pipeline designed - discharge
在cppm - gis系統中，水力計算模塊是一個重要的組成部分。本文詳細論述了gis環境下建立排水管網優化設計的數學模型、排水管網的直接優化法。 -
City pipe - net plan and management under gis ( cppm - gis ) is a application integrating maplnfo map windows into visual basic program using mapbasic and visual basic. in this system, the spatial data and attribute data of drainage pipe - net are storaged separately in maplnfo tables and access database. they can be linked by program and provide some special function
城市排水管網規劃及管理gis系統cppm - gis是利用mapinfo的二次開發工具mapbasic和visualbasic語言將mapinfo地圖窗口集成到vb程序中而開發出來的應用程序。在該系統中，排水管網的空間數據與屬性數據分別存儲于mapinfo表和access數據庫中，編寫程序將兩者連接起來並實現一定的功能。 -
Technical specification for flexible joint cast iron pipe system of building drainage
建築排水柔性介面鑄鐵管管道工程技術規程 -
According to the main cause of the heat loss in the course of conveying and applying steam, the steam - piping system of southwest jiaotong university has been rebuilt by designing and installing pipe rightly, optimizing the heat - insulating material and its thickness, reasonably selecting drainage valve and reasonably reclaiming condensate, the steam exploitation efficiency has been improved
根據蒸汽輸送、使用過程中熱損失的主要原因，利用管道的正確設計與安裝、優化的保溫材料和厚度、疏水閥的合理選擇及冷凝水的合理回收改造西南交大熱力管網，提高了蒸汽的利用效率。 -
The universal pipe system for all drainage requirements
符合所有排水要求的通用型管道系統
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