1. 1 | 1 | | | | 2. 2 A 2 A | | 1 | | | 2 A | | | | | | 3. | | | α 1 | | 1 | 2 A | 2 A | | | 4. | | | | | 5. | | 65 ℃ 2 A | 65 ℃ | | | 6. | | 1 1 | | | | 7. | | | | | | | | | | | |