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breech-block | |||
barrel lock; breechlock | |||
gunlock | |||
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breech mechanism |
闭锁机: 38 phrases in 12 subjects |
Automobiles | 3 |
Communications | 1 |
Electronics | 6 |
General | 1 |
Mechanics | 1 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Rail transport | 1 |
Shipbuilding | 1 |
Shooting sport | 1 |
Space | 3 |
Technology | 16 |