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explosive component | |||
initiating explosive devices | |||
initiating explosive device; ordnance; pyrotechnics | |||
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initiating explosive device | |||
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explosive device | |||
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pyrotechnics |
火工品 : 48 phrases in 3 subjects |
Aviation | 4 |
Explosives and Explosive Ordnance Disposal | 7 |
Space | 37 |