The main elements of the rural water conservancy are irrigation and drainage engineering, and rural water supply.

農(nóng)村水利發(fā)展的主要內(nèi)容為灌溉排水和農(nóng)村供水。

Company's existing plastic engineering, irrigation, plant protection and other aspects of fourteen high-level talent person, able to satisfy a variety of water projects in different regions and various plant crops, water-saving irrigation requirements.

公司現(xiàn)有塑料工程5060av、水利色哟呦在线播放、植保等方面的高級人才十四人，能完全滿足不同地區(qū)的多種水利工程及各類種植作物的節(jié)水灌溉要求。

Scope of the audit has been expanded from previous land management project to the key water conservancy projects, water-saving irrigation projects, agricultural ecological engineering projects and high-tech demonstration project.

審計(jì)的范圍有所擴(kuò)大网站观看jizz，從以往的土地治理項(xiàng)目擴(kuò)大到水利骨干項(xiàng)目男人的天堂在线播放、節(jié)水灌溉項(xiàng)目、農(nóng)業(yè)生態(tài)工程項(xiàng)目及高新科技示范等項(xiàng)目欧美业余性爱。

Directed at improving the efficiency of treating waste water in Biological Aerated Filter, the paper introduces the study of the effect of air flow rate, Hydration Retention Time, and organic loading of input water on the removal rate of Chemical Oxygen Demand and NH3-N using activated carbon, zeolite, architecture keramics and engineering keramics as stuffings.

為提高曝氣生物濾池處理廢水的效率欧美黄片在线播放，以沸石、活性炭不卡黄色网、建筑陶粒6080亚洲三片级、工程陶粒作為填料測試氣體流速、水力停留時(shí)間18岁禁网、進(jìn)水有機(jī)負(fù)荷對生物濾池的化學(xué)需氧量欧美亚洲日韩国产一区、NH3—N的去除效果及出水濁度的影響。

Some ideas to develop and perfact the system are also put forward in the light of the characteristics of the water conservancy project construction in Inner-Mongolia Autonomous Region. Key Words:Water conservancy project construction supervision and administrationNG Xiao dong, LIANG Chuan (Hydraulic and Hydroelectric Engineering Institute, Sichuan University, Chengdu 610065, PRC)Abstract: The flood on Shiting river has been more serious recently.

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Hazards of Budongquan migrating pingos can be decreased or protected by taking engineering measures as building underground water conduits or draining off the upward rushing spring water near ground surface.

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Liquid filter core; mine heavy vehicle filters; engineering machinery series oil, diesel filter and filter, oil filter, diesel filter, hydraulic filter, oil-water separator filter, oil and gas separation filter, filters, filter core, steering filter, pilot filter, precision filter, water filter, wire-cut filter, oil filter, thread wound filter, melt-blown polypropylene filter, activated carbon filter, copper mesh filter, excavator Series diesel oil filter.

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To discuss the feasibility of applying this technique into the practice of engineering, this paper references the real project of the running tunnel from Great Showplace to Scientific House in Shenzhen Metro, uses the geotechnical centrifuge of Southwest Jiaotong University, then researches the settlement of the ground and the influence on the pipeline underground in stratum with abundant water by the technique of undraining spin-spay pile, at last draws a conclusion about the principle of the ground settlement with the construction method of excavating soil rich in water without dewatering at Shenzhen Metro.

為了探討離心模型試驗(yàn)技術(shù)這一研究手段在地下工程中應(yīng)用的可行性视频一区欧美性爱，結(jié)合地質(zhì)、水文国产三级一区二区三区在线视频、結(jié)構(gòu)較為復(fù)雜的深圳地鐵大～科區(qū)間暗挖施工SK3+355斷面的具體實(shí)例A大片免费黄黄，應(yīng)用我校新近建成的100gt土工離心試驗(yàn)機(jī)，采用離心模型試驗(yàn)技術(shù)對在富水地層應(yīng)用水平旋噴樁工藝進(jìn)行控制降水施工對地表沉降變形及地下管線的影響進(jìn)行了研究免费看黄色视頻。

With the background of the first sole-layer lining water tunnel - Qingcaosha raw water tunnel undercrossing Yangtze river, and based on the engineering characteristics, building requirements, geology and surrounding environment, this paper analyzes technical difficulties in the course of construction from the aspect of construction of hyper deep pit and long-distance tunnel.

摘 要 文章以國內(nèi)首例單層襯砌輸水隧道工程－青草沙原水過江管工程為工程背景av毛片对白，在深入研究工程特點(diǎn)、建設(shè)要求1024免费手机视频、工程地質(zhì)情況毛片三级片A片、周邊及沿線環(huán)境的基礎(chǔ)上，從超深基坑施工和長距離隧道施工的技術(shù)難點(diǎn)進(jìn)行分析美女搞逼黄色视频免费的，并提出控制措施及建議欧美久久精品AAAA片。

Combined with airport avenue works in Taiyuan,from preparation work,construction drainage pipe and well,water-enclosed test,trench back filling,drainage construction and other aspects the construction technology of rain-water pipe in municipal engineering is introduced in detail in order to ensure the drainage effect of pavement as well as safety for flood-passing.

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