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face plate opening |
отверстие панели : 15 phrases in 10 subjects |
American usage, not spelling | 1 |
Communications | 1 |
Electrical engineering | 1 |
Electronics | 1 |
General | 1 |
Nautical | 1 |
Neurology | 1 |
Occupational health & safety | 1 |
Submarines | 2 |
Technology | 5 |