| |||
resonance runner | |||
resonating tube | |||
resonatron | |||
| |||
resonance tube |
谐振 管 : 54 phrases in 11 subjects |
Air defense | 5 |
Automobiles | 3 |
Aviation | 1 |
Construction | 1 |
Electronics | 23 |
General | 7 |
Oil / petroleum | 3 |
Radio | 1 |
Shipbuilding | 1 |
Technology | 8 |
Telecommunications | 1 |