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فتْح | |||
فتح | |||
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فصل | |||
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فتحة لهوائى |
apertura : 55 phrases in 22 subjects |
Accumulators | 1 |
Antennas and waveguides | 9 |
Economy | 1 |
Electric machinery | 1 |
Electrical engineering | 2 |
Electricity generation | 2 |
Electronics | 5 |
Fishery fishing industry | 1 |
Isolation | 1 |
Lighting other than cinema | 4 |
Microsoft | 3 |
Power electronics | 1 |
Power system protection | 9 |
Radio | 2 |
Rail transport | 2 |
Sound recording | 2 |
Telecommunications | 1 |
Telegraphy | 1 |
Thermal Energy | 2 |
Vacuum tubes | 1 |
Video recording | 1 |
Wood processing | 3 |