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duplexer | |||
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diplexer | |||
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duplexer |
双 工机 : 28 phrases in 11 subjects |
Aviation | 1 |
Communications | 1 |
Continuous casting | 1 |
Electronics | 4 |
Metallurgy | 4 |
Nuclear and fusion power | 1 |
Plastics | 1 |
Shipbuilding | 1 |
Space | 1 |
Technology | 12 |
Telecommunications | 1 |