| | | | | | | | | 1. 2.5 ~ | 3.5 4 | | 2. | | | | | 3. | | | | | | | | | 8 | 8 9 | | | | | | | : | | 6 | | | | | | | | 65%~75% | | 1~2 | | | | | : | | | 30cm | | | | 20 | 20 | | | | | | | | |