The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor.

在单级轴流压气机上，用周向槽式处理机匣在静子内径处进行轮毂处理，与转子尖部机匣处理作类比。

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The power loss of the existing stator winding machines is large, and the existing stator winding machines are not suitable for stator iron cores with narrow groove mouths.

现有的定子绕线机电机功率损耗大，并且不适用窄槽口定子铁芯。

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