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One end of the shaft is fixed with the blade wheel.
在所述的泵轴一端固 定有叶轮；
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The two different categories are multi-blade wind wheel and high speed wind wheel.
两种不同类别是指多翼风轮和高速风轮。
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The two different categories are multi-blade wind wheel and high speed wind wheel.
两种不同类别是指多翼风轮和高速风轮。
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