̱ ħ ǰ ǥ ī (m) (cm) () (g) (%) (mm) (mm) () ̱ ħ 1.42.0 78 2-3 183 99 8.7 15.2 70,000 2.02.6 78 3-4 246 99 8.7 17.4 84,000 2.63.2 78 4-5 307 99 8.7 19.8 98,000 ǰ 밡 ħ 1 19,350 2 17,690 3 17,690 4 17,690 3B 34,750 4B 37,310 5B 39,220
̱ ħ
(mm)
8.7
15.2
17.4
19.8