Explanation and sentence making of drainage and irrigation

Drainage and irrigation pinyin

Pinyin: pai guan

Drainage and irrigation explanation

Meaning: drainage and irrigation: mechanical ~.

Sentences for drainage and irrigation:

1. Such as small-scale drainage and irrigation, spraying, threshing, ginning, rice milling, flour milling, feed crushing, etc.

2. The rainy season is coming, and repairing drainage and irrigation equipment is an urgent task.

3. Since the 1930s, the United States has always attached great importance to the construction of rural roads, water, electricity, drainage and irrigation, markets and other infrastructure as well as education, culture, health and other social undertakings.

4. Agricultural drainage and irrigation machinery power and grain purchase price index are negatively correlated with grain production.

5. As the scale of cross-basin cascade water diversion projects and cross-basin cascade drainage and irrigation projects increases, pumping station projects become more and more complex. It is necessary to study the optimal dispatching and operation of the entire system of such large-scale projects. .

6. In order to promote the development of enterprises and achieve good economic benefits, the implementation and application of standards in the drainage and irrigation machinery industry was discussed, and the role of standards was analyzed.

7. Field experiments with independent drainage and irrigation systems were used to study the dynamic characteristics, model characterization and field drainage nitrogen loss of rice field surface water nitrogen.

8. Water pump units are widely used in industrial and mining enterprises, urban construction, fire safety, environmental protection, farmland drainage and irrigation, garden sprinkler irrigation and other aspects.

9. Our company has long-term stocks of various types of generator sets, marine diesel engines, marine generator sets, and agricultural diesel engines for drainage and irrigation;

10. Drainage and irrigation ditch systems, roads, and protective forests should Can be combined with layout.

11. Using pilot-scale research methods, the removal effects of constructed wetland systems with different structures on nitrogen and phosphorus pollutants in farmland drainage and irrigation residual water during the plant growth stagnation period in the Dianchi Lake Basin during the dry season were studied.

12. Through engineering examples, it has been proved that shaft drainage and irrigation can reduce groundwater levels and irrigate, and has obvious economic benefits.

13. The plan extends the working period of wind power, closed circuit, open circuit, geothermal, small drainage and irrigation, landfill gas and waste combustion power generation facilities by two years to 2007.

14. Axial flow pumps have the characteristics of large flow and low head, and are widely used in agricultural drainage and irrigation, urban water supply and other fields.

15. Suitable for factories, mines, urban water supply, power stations, farmland drainage and irrigation and various water conservancy projects.

16. In 1982, the 6160-9 supercharged diesel engine won the National Quality Silver Award. The 6160 diesel engine has become the best power for power generation, ships, drainage and irrigation.

17. Dynamic changes in groundwater levels reflect the comprehensive effects of climate, artificial drainage and irrigation activities, hydrogeology and geography.

18. At present, small single-cylinder horizontal engines in my country are mostly used in walking tractors, small harvesters, small mobile drainage and irrigation devices, etc.

19. In agricultural production, pumps are the main drainage and irrigation machinery.

20. Centrifugal pumps are widely used in power plants, petroleum, chemical industry, urban water supply, agricultural drainage and irrigation and other industries.

21. Distributed control systems are increasingly used in the drainage and irrigation machinery industry, and system design methods tend to be diversified. However, the reliability of the distributed control system itself is an issue that cannot be ignored.

22. The focus of comprehensive agricultural development is to transform low- and medium-yield fields. For low-lying areas prone to waterlogging, it is to eliminate waterlogging and control alkali, and to improve the drainage and irrigation system.

23. It is especially suitable for drainage and irrigation of sewage at engineering construction sites, coal mines, metallurgy, printing and dyeing, textiles and other places.

24. This product has a large flow rate and is suitable for plain river network areas and hilly irrigation areas. It is especially suitable for farmland drainage and irrigation, fish pond water supply and drainage, and industrial water supply and drainage.

25. It is suitable for industrial water supply, high-rise building water supply, fire protection, HVAC hot and cold water circulation, and can also be used for farmland and orchard drainage and irrigation.

26. Post-evaluation of large-scale drainage and irrigation projects is an important part of the scientific management of large-scale drainage and irrigation projects.

27. Choose a seedbed with leeward facing sunshine, drainage and irrigation, loose soil and deep soil, and add evenly mixed organic fertilizer, phosphate fertilizer, and soil fertilizer.

28. This article proposes technical measures for the renovation of small drainage and irrigation pumping stations from the aspects of pumping station layout and management, which play an important role in improving pumping station efficiency and energy saving.

29. The general water pump test bench is designed, constructed, installed and debugged by Jiangsu Mechanical and Electrical Drainage and Irrigation Engineering Research Institute.

30. Investment budget for stadium drainage and irrigation system and clubhouse equipment and construction.