| |||
rheomicrophone | |||
phonoscope | |||
mike | |||
microphone |
微音器: 32 phrases in 11 subjects |
Agriculture | 3 |
Communications | 1 |
Electrical engineering | 1 |
Electronics | 5 |
General | 7 |
Nautical | 1 |
Oil / petroleum | 2 |
Otorhinolaryngology | 4 |
Sports | 2 |
Technology | 5 |
Telecommunications | 1 |