气象区域 |
风速(m/s) |
覆冰(mm) |
额外负载(N/m) |
A |
25 |
0 |
0.7 |
B |
35 |
0 |
0.7 |
C |
10 |
5 |
2.5 |
D |
10 |
10 |
4.4 |