传统的用浓度变化求通风量的公式是建立在单室通风模型上的。
Traditional solution of ventilation rates with the concentration change is based on a one room ventilation model.
为了提高轴流通风机的效率和降低噪音，用复合形法对轴流通风机的气动设计进行优化。
To improve the efficiency and reduce the noise of the axial fan, Optimization is made for the pneumatically designing through Composite shape arithmetic.
串联通风是井下用风地点的回风再次进入其它用风地点的通风方式。
The series ventilation is a kind of ventilation way that the return air at the underground using wind place enters other using wind place again.
介绍了自然通风原理，用实例说明了泵房自然通风量的计算方法，同时通过定性与定量的分析提出了泵房合理利用自然通风的措施。
Principles of natural ventilation are described. Calculation method of air volume of pump house is illustrated. Measures to use natural ventilation are presented.
说明了用ANSYS软件在对轴流通风机叶轮的振动特性分析上是一种先进方法，也可以用于通风机的计算机辅助设计。
It is an advanced method that use ANSYS to analyze the vibrating characteristic of axial fan impeller. It can be also used in fan CAD.
你用来测试与修缮漏风的通风道所花的钱是物有所值的。经过修缮的通风道，相比来说，还可以继续用个几年！
The money you save by testing and repairing any leaks, will easily pay for itself and then some for years to come!
指出用通风机调节运行经济性综合特性曲线表达通风机调节运行的经济性，具有重要的实用价值。
Summarises that the comprehensive characteristic curves of ventilator regulating operation economics is provided with important practical value to indicate the...
通过现场试用，认为K系列风机用动压通风有很好的节能效果，可作为动压通风的配套风机。
The results of the field experiments indicate that the application of K Series energy-saving fans to the dynamic pressure Ventilation can get good energy-saving effects a...
通过现场试用，认为K系列风机用动压通风有很好的节能效果，可作为动压通风的配套风机。
The results of the field experiments indicate that the application of K Series energy-saving fans to the dynamic pressure Ventilation can get good energy-saving effects and be regarded as the ne...
通过现场试用，认为K系列风机用动压通风有很好的节能效果，可作为动压通风的配套风机。
The results of the field experiments indicate that the application of K Series energy-saving fans to the dynamic pressure Ventilation can get good energy-saving effects and be regarded as the ne...
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