 |
| |||
| delta time; delta sonic interval transit time; sonic differential time | |||
| interval transit time | |||
| sonic wave interval transit time | |||
| 声波时差: 6 phrases in 2 subjects |
| Shipbuilding | 3 |
| Technology | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips