组别 | 实验前(Ws) | 实验后(Wt) |
A | 8.397 | 7.672 |
B | 6.276 | 6.457 |
C | 5.249 | 5.487 |
D | 3.734 | 3.842 |
E | 2.471 | 2.599 |
F | 1.988 | 2.032 |
G | 1.252 | 1.317 |
H | 0 | 0 |