main drainage 中文意思是什麼

main drainage 解釋
疏水總管
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  • drainage : n. 1. 排水，放水；排水法；逐漸流出。2. 下水道；排水設備，排水系統。3. 水系，排水區域，流域。4. 陰溝水，（排出的）污水。5. 【醫學】引流，導液（法）。
  1. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手，建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型，揭示了水文地質參數隨機性對管理模型結果的影響，認為參數的隨機性越大，管理結果越壞；置信水平越高，管理結果越壞，且滲透系數和邊界條件對管理結果影響最大。
  2. Determining optimal space and depth of the subsurface plastic drainage tubes is a main task in planning and design of a drainage system

    農田塑料暗管埋深和間距的確定，是塑料暗管排水系統規劃設計的主要任務，關繫到排水效果和投資效益。
  3. Design for the connection of discharge branch with horizontal trunk main in building drainage system and material selection

    建築排水支管與橫干管的連接設計與選材
  4. Construction of a single - lane road bridge of 70 m in length across the san tin eastern main drainage channel stemdc connecting an existing unnamed road along the eastern side of stemdc near the vha and tyr

    興建長70米並橫跨新田東面主要排水道的單線行車道路橋，以連接沿該主要排水道東面近車輛輪候區的現有未命名道路與淳裕路
  5. Once the pressure of the main network returns to normal, the valve flap of drainage outlet closes under pressure, first, second level check valves open, the main network return to supply water to branch pipeline

    一旦主管網壓力恢復正常，排污口閥瓣受壓關閉，一二級止回閥打開，主管路恢復向支管供水。
  6. Because of the advantages of prefabricated plastic drains over other vertical drains, this technology is widely used in recent soft clay foundation improvement in our country and it has been a main method in drainage consolidation methods

    由於塑料排水板與其它排水體相比具有諸多優點，近幾年來在國內軟粘土地基處理中被廣泛使用，塑料板排水法成為排水固結法中最主要的方法。
  7. The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano

    影響喀斯特流域枯水徑流的因素異常復雜，其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上，採用人工神經網路技術，結合傳統的統計方法，研究貴州高原上喀斯特流域的枯水徑流規律。
  8. Preliminary design of the automatic monitoring system based on lab windows cvi for the main drainage pumps of coal mine

    的煤礦主排水泵自動監控系統初步設計
  9. Main drainage channel

    主要集水區排水道
  10. Firstly, my paper analysized the main factors which influence the amount of low flow in karst drainage such as the area of drainage, lithology, the type of landforms and its special assembly, forest etc from the point view of drainage structure and the relationship between the different type of landforms and the amount of low flow in particular

    對于喀斯特流域的枯水研究內容主要包括以下幾個方面：一是從流域結構的角度，分析了影響喀斯特流域枯水徑流特徵值的主要因素，如空間尺度、巖性、地貌類型及其空間組合、植被等。
  11. The main conclusions are as follows : the hco3 - ion content of zhujiang river changes notably in one hydrological year, especially in wet season and dry season. as for the content of inorganic carbon, that of the xijiang river is the highest, then the beijiang river, and then the dongjiang river. the xijiang river ' s inorganic carbon source was major from karst process in the drainage basin

    得出如下的結論：珠江水體hco _ 3 ~ -離子含量在一個水文年中發生顯著變化，特別是豐水期與枯水期之間波動幅度較大；無機碳含量西江含量最高，其次是北江，東江最低；西江無機碳主要來源於巖溶作用，由於受河流沖刷效應影響，豐水期hco _ 3 ~ -離子含量升高；東江流域無機碳主要來源於硅酸鹽巖的碳酸鹽風化過程，豐水期hco _ 3 ~ -離子含量無顯著變化；北江無機碳來源於巖溶作用和硅酸鹽巖的碳酸鹽風化過程，受稀釋效應影響，無機碳含量隨水量增加而降低。
  12. Main drainage channels and poldered village protection scheme

    河道及鄉村防洪計劃
  13. Fung kong tsuen road water - main drainage works underway

    鳳降村路-輸水管及渠務工程進行中
  14. Speaking at a ceremony to mark the completion of works on the main drainage channels for river indus, river beas and river sutlej, the director of territory development, mr wong hung - kin, said today ( september 17 ) that the works for these three rivers in the river indus basin were sizable and entailed the straightening and widening of some 9km of existing meandering rivers with raised river embankments. the works also included the re - provisioning of existing facilities that were affected by the projects such as the reconstruction of 12 river - crossing bridges

    拓展署署長黃鴻堅今日（九月十七日）在梧桐河、雙魚河及石上河主要排水道工程竣工典禮上致辭時表示，整項梧桐河盆地的治河工程涉及上述三條位於新界北區的主要河道，規模龐大，新河道總長約9公里，將原來迂迴曲折的河道拉直及擴闊，並且將河堤加高及重置受工程影響的原有設施，包括12條過河橋梁。
  15. Construction of the san tin eastern main drainage channel commenced in october, and, upon its completion in 2005, the flood risk in san tin will be reduced. design work for the san tin western drainage channel is under way

    新田東的排水渠工程於二零零二年十月展開，於二零零五年完成後，新田一帶的水浸風險將可減低；另一方面，新田西的排水渠工程設計工作正在進行中。
  16. Energy - saving measures taken for the main drainage system of mine shaft

    礦井主排水設備的節能措施
  17. The main drainage channels at ngau tam mei and the upper reaches of the kam tin river near kam tin san tsuen have been substantially completed and the flood risk around the areas has been relieved

    在牛潭尾和錦田河上游近錦田新村的主要排水渠工程已大致完成，該區的水浸風險已大大減低。
  18. How is the main drainage

    「下水道的干管怎麼樣啦? 」
  19. Discussing about the main drainage system design of the 1000 - meter deep shaft at tangkou mine

    唐口礦千米深井主排水設計探討
  20. Drainage services department is working on the improvement of the stormwater drainage system all over the territory all the times. in particular, upgrading works for downstream portions of the main drainage channels in yuen long have been completed in 1999

    渠務署不斷努力改善全港各地的雨水排放系統，尤其是於1999年在元朗的排水渠下游部份完成了改善工程。
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