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| barrel; cannon barrel | |||
| gun barrel; gun tube | |||
| 炮管: 42 phrases in 11 subjects |
| Aviation | 18 |
| Earth sciences | 1 |
| Ecology | 1 |
| Explosives and Explosive Ordnance Disposal | 7 |
| General | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 1 |
| United Nations | 2 |
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