| |||
| 脉冲触发器 | |||
|
pulse trigger : 16 phrases in 7 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Electronics | 2 |
| Metallurgy | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 8 |
| |||
| 脉冲触发器 | |||
|
pulse trigger : 16 phrases in 7 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Electronics | 2 |
| Metallurgy | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 8 |