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aerator造句
1. They mounted the aerator on a floating. 2. Abstract: The improvement project for aerator of zincification building is discussed. At the same time, the design and calculation is carr ied through. 3. The optimum aperture of an aerator is smallest at the water depth of 4 m. 4. Spiral Aerator is consisted of driving motor, air shaft, spiral impeller, out-shell; all the materials are erosion resistance and the dipped parts use stainless iron or FRP. 5. Compared with flat-bottomed aerator, the impact angle of the aerator with a downstream baffler was smaller and it has better aerated effects than the one without downstream bafflers. 6. The improvement project for aerator of zincification building is discussed. At the same time, the design and calculation is carr ied through. 7. The invention of the activated ploy - oxygen aerator is the revolutionary breakthrough of the aerator field. 8. This paper introduces the equipments of Aerator in the oxidation ditch and abroad, and compares them. 9. The manufacturing technic of the aerator is simple, with low in price and easy in installation. 10. An expert system with multiple objectives programming for aerator selection was established. 11. The inverted umbrella surface aerator is a kind of special equipment for Carrousel oxidation ditch, and the selection design is very important. 12. A lawn aerator has a series of tine assemblies spaced along a driven shaft driven by a motor. 13. The design of the disc turbine aerator and the oar turbine aerator are discussed. Their inspiratory capacity, air bubble diameter and distribution frequency are compared. 14. After using 1 year, the aerator needs thorough examination and repair, oil changing and painting maintenance. 15. Aerator should be generally placed in the center of fishpond, or like windward on the drawing. 16. ZPY rotating disc aerator is a horizontal axle type aerator. 17. The submerged aerator is composed of submerged pump, mixing room, the seat, inlet pipe, muffle and so on. 18. YL gear impeller aerator is one of farming machines widely used in aquaculture at present. 19. Jet aerator especially self - suction jet aerator can meet the need well. 20. In combination with pressure field and non-constant density equation, the production and development range of 3D heterotypic aerator were given. 21. The paper studied the hydraulic characteristics of the side wall aerator by using the numerical simulation. 22. It is thought rational and feasible to the JHX multi - stage jet floating vessel after the aerator. 23. A model flow velocity was built up for simulating of flow rate in the water - lifting aerator. 24. The feasibility to adopt the self - priming jet aerator for and medium - sized oxidation ditches has been discussed. 25. This permits the outer tine assemblies to rotate independently and thereby makes the aerator more maneuverable and easier to turn. 26. In the existing numerical simulation analysis, there is less project's numerical calculation on ogee surface with bucket aerator , and most of its simulation is for a single water surface. 27. The whole test consisted of two parts: the parameters optimization test on Jet Aerator and the pilot-scale test of sewage treatment used SBR equipped with Jet Aerator. 28. In this paper, a mathematical model for calculating the air demand of the aerator is established, and the target mathematical function for optimizing the shape of the aerator is proposed. 29. Under the condition of applying scale test of UNITANK process, rubber film aerator and campanulate corundum aerator have been investigated. 30. The length of air cavity is an important factor in design of lateral aerator.