... 螺旋桨之几何螺距 geometrical pitch of a propeller 平均几何螺距 mean geometrical ; pitch 几何平均螺距 mean geomertical pitch ...
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... 螺旋桨之几何螺距 geometrical pitch of a propeller 平均几何螺距 mean geometrical ; pitch 几何平均螺距 mean geomertical pitch ...
基于28个网页-相关网页
几何平均螺距 geometrical mean pitch ; mean geomertical pitch
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