介绍了油田泵房电机消声器结构、工作原理和特点。
The structure, operating principle and characteristics of motor muffler for pump room of oilfield have been introduced.
作者应用不稳定流动计算机模拟方法，不仅能估算排气消声器特性，还能模拟不同消声器结构对发动机性能的影响。
With the computer simulation of exhaust mufflers and IC engines, the influence of mufflers on engine performance as well as exhaust noise can be predicted.
利用此方法对多级降压消声器的结构尺寸进行优化设计。
This method is applied to designing the structure size of Multi Stage Decompression Muffler.
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