时间/min |
0 |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
22 |
温度/℃ |
4 |
2 |
0 |
-2 |
-4 |
-6 |
-6 |
-6 |
-6 |
-6 |
-8 |