drainage canal 中文意思是什麼
drainage canal
解釋
排水渠道-
To adopt well irrigation and well drainage, develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil, but also provide timely irrigation to crops through well and canal complementary
摘要灌區灌溉採用井灌井排，開發利用地下水資源，不但能有效降低地下水位，防止土壤次生鹽堿化，還可以通過井渠互補，使農作物得到適時灌溉。 -
( 5 ) the maximum water level risen by the enclose tideland cultivation around the reservoir is 0. 66m, the responding quality is 2000mvs, which heavily effect the environment around the reservoir. the reservoir " s water level is risen because cross section and flood canal become narrow, which caused by building dam, this makes groundwater unsmooth, drainage, even flow from a lower to a higher space and soil salinized
66m ，且為2000m 』兒的常年洪水，對庫區周邊環境的影響較大，因打壩築堤縮小過水斷面和行洪通道造成水庫水位進一步抬升，致使庫區周邊灌區地下水排水不暢，乃至倒灌，型成士地鹽堿化。 -
The prestressed drainage aqueduct of through open - web truss arch structure is widely applied to cross the main canal of the mrp. it is important and significative to study the aqueduct ' s structure design and reliability thoroughly
預應力下承式空腹桁架拱渡槽在總乾渠排水建築物中被廣泛採用，其結構設計和安全可靠性是一個非常重要且值得深入研究的問題。 -
The synthetic experimentation of testing and calculating design depth in conveyance canal combine the knowledge of irrigation and drainage engineering and hydraulics. during the experimentation, through experiment data testing, analysis, calculating and watching canal model, making students understand further the principle of design, which has mutual promoting effect on theory teaching in class
輸水渠道橫斷面設計水深測試及計算實驗結合「灌溉排水工程學」及「水力學」等學科的知識，在實驗過程中，通過對實驗數據的測試、分析及計算和渠道模型實物的觀摩，加深了對渠道設計原理的理解，與課堂上的理論教學起到了良好的互動作用。 -
This system integrates visual basic with autocad, microsoft excel and other application software, including such six modules as determination of irrigation parameter, irrigation canal system, drainage canal system, evaluation of engineering cost and economic analysis. depending upon the requirements of irrigation district planning and through man - machine conversations, calculations in design, cross - sectional drawing of canals and printing of design results can be automatically done
本文運用microsoftvisualbasic6 . 0 （ vb6 . 0 ）開發了灌區規劃計算機設計系統，該系統集成了vb6 . 0 、 autocad 、 microsoftexcel等應用軟體，充分利用了它們各自的特點，並結合灌區規劃設計的要求，實現了通過人機對話的方式，自動計算、自動繪制斷面圖及列印等功能。 -
Between 1993 and 2001, drainage experts identified urban waste water and industrial effluent outlets emptying into the canal and redirected them into the city ' s improving sewage system, zhu said
朱炳仁表示：從1993年到2001年之間，排水專家鑒定排放到運河中的城市廢水和工業污水並改排其到城市的污水處置系統。 -
A hydrokinetically simulated sucking was made to study the self - intermittent vacuum drainage of the root canal
摘要作者採用實驗力學方法，模擬吸吮，探討自體間斷真空度根管引流術的流體力學原理。
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