| 4 5 | | | 2 | | | | | | | | | | | | | 0.3 cm | | 12 ~14 0.5 ~1.0 cm 7 ~8 | 2.0 ~2.5 cm | | | | | | | ⒈ | | | ⒉ | | ⒊ | | ⒋ | | ⒌ | ⒍ | ⒎ | | | | | | | | | | | | |