| |||
| 超声波脉冲 | |||
|
ultrasonic pulse : 15 phrases in 8 subjects |
| Business | 3 |
| Construction | 1 |
| Engineering geology | 1 |
| Geophysics | 2 |
| Metallurgy | 1 |
| Plastics | 1 |
| Road construction | 1 |
| Technology | 5 |
| |||
| 超声波脉冲 | |||
|
ultrasonic pulse : 15 phrases in 8 subjects |
| Business | 3 |
| Construction | 1 |
| Engineering geology | 1 |
| Geophysics | 2 |
| Metallurgy | 1 |
| Plastics | 1 |
| Road construction | 1 |
| Technology | 5 |