时间t/min |
0 |
1 |
2 |
3 |
4 |
5 |
甲的温度/℃ |
20 |
22 |
24 |
26 |
28 |
30 |
乙的温度/℃ |
20 |
25 |
30 |
35 |
40 |
45 |