驱动小齿轮轴承的端隙。

End play in drive pinion bearings.

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T型三通的输出端连接喷雾阀的输入端，环隙式喷雾阀通过夹持机构固定连接在等离子割炬上。

The output end of the T-shaped three-way is communicated with the input end of the annular-space spray valve which is fixedly connected to the plasma cutting torch by the holding mechanism.

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优点在 于，在定子铁芯两端，定子绕组的端部，留有很多的气隙，增加了风路 的面积。

The structure has the advantages that: a plurality of air gaps are left at the two ends of the stator iron core and the end part of the stator winding, thus increasing the area of the wind path.

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