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line signal | |||
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line signal | |||
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lineside signal |
线路信 号: 60 phrases in 11 subjects |
Advertising | 1 |
Agriculture | 1 |
Aviation | 3 |
Communications | 2 |
Electronics | 17 |
Information technology | 6 |
Otorhinolaryngology | 5 |
Project management | 1 |
Space | 1 |
Technology | 21 |
Telecommunications | 2 |