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mode de propagation guidée; mode guidé | |||
propagation troposphérique guidée | |||
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conduites | |||
propagation troposphérique guidée | |||
carénage d'amenée d'air |
ducting : 22 phrases in 11 subjects |
Coal | 2 |
Communications | 2 |
Electric machinery | 1 |
Electrical engineering | 1 |
Electronics | 1 |
General | 8 |
Mechanic engineering | 3 |
Municipal planning | 1 |
Radio | 1 |
Technology | 1 |
Transport | 1 |