单位mm备注圆筒直径
面积mm2173406.50
等面积环个数8.00 m
每个环面积
mm221675.81
中心环半径二环半径R1R283.09117.50ri2i1r1r2三环半径四环半径
R3143.91R4
166.17185.78203.52219.82235.00
2nr3r4r5r6r7
r8
如计算毕托管半径
L17.46L223.17L340.15L458.75L579.56L6103.63L7133.24L8176.25L9293.75L10336.76L11366.37L12390.44L13411.25L14429.85L15446.83L16
462.54
由内壁0点起
圆筒半径
r235.00
58.75101.76131.37155.44176.25194.85211.83
227.54
77.46
93.17110.15128.75149.56173.63203.24246.25363.75406.76436.37460.44481.25499.85516.83532.54
7.4615.7116.9718.6020.8124.0729.6143.0143.0129.6124.0720.8118.6016.9715.71
管半径加5，外加座高20,加内壁5117.503935.00
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