公称直径直径π周长长度面积
1600 3.14159 5.02654400
1520 3.14159 4.775216800
1320 3.14159 4.146898800
1020 3.14159 3.204421800
920 3.14159 2.890262800
820 3.14159 2.576103800
630 3.14159 1.979201700
478 3.14159 1.5016800200
426 3.14159 1.3383173400
377 3.14159 1.1843794300
273 3.141590.8576540700
219 3.141590.6880082100
159 3.141590.4995128100
133 3.141590.4178314700
108 3.141590.3392917200
89 3.141590.2796015100
76 3.141590.2387608400
57 3.141590.1790706300
45 3.141590.1413715500
32 3.141590.1005308800
25 3.141590.0785397500
22 3.141590.0691149800
150165 3.141590.5183623500 125140 3.141590.439822600 100114 3.141590.3581412600 8088.5 3.141590.27803071500 6575.5 3.141590.23719004500 5060 3.141590.188495400 4048 3.141590.1507963200 3242.3 3.141590.132******** 2533.5 3.141590.10524326500 2026.8 3.141590.08419461200 1521.3 3.141590.06691586700 1017 3.141590.0534070300
813.5 3.141590.04241146500
610 3.141590.031415900
00