ǰ ǥ ī (m) (cm) () (g) (%) (mm) (mm) () ̱ ħ 1.42.0 78 2-3 183 99 8.7 15.2 72,000 2.02.6 78 3-4 246 99 8.7 17.4 86,000 2.63.2 78 4-5 307 99 8.7 19.8 108,000 ǰ 밡 ħ 1 18,340 2 17,110 3 17,110 4 17,110 3B 33,480 4B 36,690 5B 37,700
(mm)
̱ ħ
8.7
15.2
17.4
19.8
ħ