| | | | | | | ⒈ | | | | | 5 | | ⒉ | 6 ~ 8 | | 15~ 20 | | ⒊ | | | | | | 3cm 20 | ⒋ | | 45 80% | | ⒌ | | | 1~ 2 3 | 2~4 | |