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access duct | |||
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input channel |
输人 道: 74 phrases in 12 subjects |
Agriculture | 1 |
Automobiles | 1 |
Aviation | 4 |
Electronics | 27 |
General | 1 |
Information technology | 1 |
Metallurgy | 27 |
Project management | 1 |
Space | 1 |
Technology | 2 |
Telecommunications | 7 |
United States | 1 |