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coupling sleeve : 23 phrases in 13 subjects |
Automobiles | 1 |
Construction | 5 |
Electrical engineering | 1 |
Electronics | 2 |
Military | 1 |
Oil / petroleum | 1 |
Production | 2 |
Pumps | 1 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 5 |
Thermal engineering | 1 |
Transport | 1 |