ultrasonic ranging
| and
| data system
| ultrasonic ranging | |
| oil | 超声波测距 |
| AND | |
| el. | 与; 逻辑电路"与" |
| and | |
| gen. | 并; 及; 和; 及; 加; 并且 |
| busin. | 以及; 与 |
| data system | |
| interntl.trade. | 数据系统 |
| |||
| 超声波测距 | |||
|
ultrasonic ranging : 4 phrases in 3 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Geophysics | 2 |