... diffuser throat 扩散器喉管 diffuser tube 扩散管 diffuser type centrifugal pump 扩散形离心泵，扩压式离心泵 ...
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Tube diffuser 散气管
draft tube diffuser 尾水管扩散管
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The oxygen transfer performance and construction of perforated membrane tube diffuser have been presented in this paper.
介绍了套袖式微孔曝气器的充氧性能及研制过程。
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