Pump English Encyclopedia of Pumps articles (Supplementary) A common terminology Water supply and drainage engineering common terms and their meaning should meet the following requirements: 1, water supply engineering water supply engineering Raw water collection and processing and finished water transmission and distribution projects. 2, drainage engineering sewerage, wastewater engineering Collecting, conveying, handling and disposal of wastewater projects. 3, water supply system water supply system Feed water, water, water treatment and water distribution facilities in a certain way into the overall. 4, drainage system sewerage system Drainage collection, transportation, water treatment and emissions and other facilities in a certain way into the overall. 5, water source water source water project taken by the raw water bodies. 6, raw water raw water taken from the source of raw water. 7, surface water surface water exists in the crust surface, exposed to the atmosphere of water. 8, groundwater groundwater exists in crustal rock cracks or the gap in the water. 9. Brackish water (alkaline water) brackish water, alkaline water Alkalinity is greater than the hardness of water, and contains a large number of neutral salts, PH value greater than 7. 10, fresh water fresh water salinity less than 500mg / L of water. 11, cooling water Cooling water to reduce the temperature of the object. 12, waste water Residents in the process of discharge of water and runoff rainwater collectively. It includes domestic sewage, industrial wastewaters and runoff, as well as other water flowing into drains. 13, sewage, sewage by a certain pollution from the life and production of water. 14, the amount of water consumption water consumption actual use of water objects. Wastewater volume discharged into the sewage system. 16, water quota water flow norm For different drainage objects, in a certain period of time to formulate a relatively reasonable unit of displacement value. 17, drainage quota wastewater flow norm For different drainage objects, in a certain period of time to formulate a relatively reasonable value of unit displacement. 18, water quality In the water supply and drainage engineering, water, physical, chemical, biological and other aspects of the nature. 19, channel channel, conduit natural, artificial cutting, renovation or masonry waterway. 20, pumping house pumping house Set of pump units, electrical equipment and pipes, valves and other houses. 21, pumping station Pump pumping station and its ancillary facilities in general. 22, water treatment water treatment does not meet the requirements of the water quality requirements with the object. Water quality improvement process. 23, sewage treatment sewage treatment, wastewater treatment In order to achieve the drainage of sewage water or re-use of a water quality requirements, their purification process. 24, Wastewater disposal Wastewater on the final arrangement. Wastewater is generally discharged into surface waters, land is discharged and reused. 25, grille bar screen A bar-shaped barrier to intercept larger sizes of debris or other debris in the water. 26 aeration aeration water contact with the gas, dissolved oxygen or dissolved water and dissolved gases and volatile substances in the process. in Chinese "absorption pump" in Chinese "absorption pump" in Chinese "absorption pump" in Chinese "absorption pump" in Chinese "absorption pump" in Chinese "absorption pump" in Chinese "absorption pump" in Chinese "absorption pump" Air operated pump pump; air-driven piston pump; air-driven piston pump; air-driven piston pump; air-driven piston pump; airtight screw pump all-around pump; all abronze pump all-bronze pump; all iron pump cast iron pump alloy pump alloy steel pump alloy steel pump angle-type axial flow pump An axial-type axial piston pump; an automatic-type water pump for livestock; an automatic casing pump for livestock; an ti-roll pump shank pump; Archimedean screw pump; armored pump armored pump; articulated vane pump hinge vane pump; ash pump ash pump; attached pump subsidiary pump; automatic trough pump tank automatic pump; Auxiliary pump; auxiliary stripping pump auxiliary pump; auxiliary clearance pump; aviation pump aviation pump; axial double