 |
| |||
| 报警装置 | |||
| warning unit: 25 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 12 |
| Chemistry | 1 |
| Communications | 1 |
| Drilling | 1 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 3 |
|
| |||
| 报警装置 | |||
| warning unit: 25 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 12 |
| Chemistry | 1 |
| Communications | 1 |
| Drilling | 1 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 3 |