| |||
supersonic detector; ultrasonic detector; ultrasonoscope; ultrasonoscope detector | |||
sonigauge | |||
ultra-sonoscope |
超 声 波探测仪 : 13 phrases in 6 subjects |
Business | 5 |
Electronics | 1 |
Engineering geology | 2 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Technology | 3 |