The valve petal USES the spring to load, its quick closedown can effective reduce the hammer pressure, the sealing property is good, the closure does not have the noise.
阀瓣采用弹簧加载，其快速关闭能有效的减小水锤压力，密封性能好，关闭无噪声。
First, such as combine the load and control as a whole, isolating and sealing to ensure good heat dissipation and stability, at the same time, saving a lot of space.
首次把负载和控制做成一体，隔离密封，保证了良好的散热以及稳定性，同时节省大量空间。
There are many factors affecting the sealing capability, for example, the characteristics of nano-ferrofluid, the structure of magnetic pole, the process of load function, etc.
纳米磁性流体密封的应用中最关键的问题是密封能力的确定，其影响因素很多，如纳米磁性流体本身的性质、磁极结构、负载运行过程等。
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