| |||
| 脉冲开关 | |||
|
pulse-switching : 21 phrases in 8 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Communications | 1 |
| General | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 12 |
| |||
| 脉冲开关 | |||
|
pulse-switching : 21 phrases in 8 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Communications | 1 |
| General | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 12 |