已知:孔和轴的公称尺寸D=d=50,孔极限尺寸:Dmax=50.025,Dmin...ananas/latex/p/13121
已知:孔和轴的公称尺寸D=d=50,孔极限尺寸:Dmax=50.025,Dmin...ananas/latex/p/13121
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已知:孔和轴的公称尺寸D=d=50,孔极限尺寸:Dmax=50.025,Dmin...ananas/latex/p/13121