| |||
switch time | |||
switching time | |||
| |||
switching time |
开 关时间 : 30 phrases in 11 subjects |
Agriculture | 1 |
Automobiles | 3 |
Aviation | 2 |
Electronics | 4 |
General | 2 |
Hydroelectric power stations | 1 |
Oil / petroleum | 2 |
Space | 1 |
Technology | 10 |
Telecommunications | 2 |
Wind Energy | 2 |