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directive explosion; oriented blasting | |||
directional blaster | |||
controlled trajectory blasting | |||
directional blasting; directional explosion | |||
blast-oriented | |||
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directional blasting |
定向爆破 : 14 phrases in 4 subjects |
Aviation | 2 |
Ecology | 1 |
Explosives and Explosive Ordnance Disposal | 6 |
Technology | 5 |