firing system
| tester
| firing system | |
| oil | 点火系统; 火嘴系统; 燃烧系统 |
| space | 点火 系统 |
| tester | |
| hydroel.st. | 试验装置 |
| IT | 游戏测试者 |
| mech. | 测试器 |
| met. | 检验器; 试验器; 试验仪; 检测仪器; 试验员; 检验员 |
| space | 测试 器 |
| |||
| 点火系统; 火嘴系统; 燃烧系统 | |||
| 点火［发射］系统 | |||
| 燃烧加热系统 | |||
|
firing system : 31 phrases in 8 subjects |
| Aviation | 6 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 3 |
| Nuclear physics | 1 |
| Oil / petroleum | 2 |
| Space | 5 |
| Technology | 12 |