当绳索或任何金属丝在滑轮上滚动时,帮助滚动滑轮的支撑构件
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- 包含文件 :NX Unigraphics,NX Unigraphics,NX Unigraphics,Rendering,NX Unigraphics,NX Unigraphics,NX Unigraphics,NX Unigraphics,NX Unigraphics,NX Unigraphics







































