网页1/16 1.588 5/64 1.984 3/32 2.381 7/64 2.778. 1/8 3.175 9/64 3.572 5/32 3.969 11/64 4.366. 3/16 4.763 13/64 5.159 7/32 5.556 15/64 5.953. 1/4 6.350 17/64 6.747 9/32 7.144 19/64 7.541. 5/16 7.938 21/64 8.334 11/32 8.731 23/64 9.128. 3/8 9.525 25/64 9.922 13/32 10.319 27/64 10.716. 7/16 11.113 29/64 11.509 15/32 11.906 31/64 12.303.