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| vee-notched specimen | |||
| V notch specimen | |||
| V-notched specimen | |||
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| V-notched specimen | |||
| 形缺口试样: 14 phrases in 5 subjects |
| Construction | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 9 |
| Nautical | 1 |
| Technology | 2 |
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