| |||
| 信号闪光时间; 油漆烘干闪蒸时间 | |||
| 闪光时间 | |||
|
flash time : 10 phrases in 7 subjects |
| Automobiles | 2 |
| Chemistry | 2 |
| Electronics | 1 |
| Metallurgy | 1 |
| Plastics | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| |||
| 信号闪光时间; 油漆烘干闪蒸时间 | |||
| 闪光时间 | |||
|
flash time : 10 phrases in 7 subjects |
| Automobiles | 2 |
| Chemistry | 2 |
| Electronics | 1 |
| Metallurgy | 1 |
| Plastics | 1 |
| Technology | 2 |
| Telecommunications | 1 |