介绍了一种新型的压力先导控制伺服阀，该阀的功率放大级采用双阀芯结构代替传统单阀芯结构。
A new servovalve using a pressure control pilot state was introduced, which USES two spools instead of single spool in power magnifying stage.
本文对一台单级轴流压气机静子叶片非定常表面压力进行了测量。
The unsteady surface pressure on stator blade of an axial compressor was measured by means of mounting micro-sensors on blades surface.
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