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不定向
| 传声器
| 不定向 | |
| tech. | non-directional |
| 传声器 | |
| met. | microphone |
| nautic. tech. | speaking trumpet |
| otorhinol. | sound conducting apparatus |
| space | voice tube |
| tech. | acoustic transducer; acoustical transducer; megaphone |
| |||
| non-directional (的) | |||
| 不定向: 96 phrases in 26 subjects |
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