| |||
unexploded (bomb, 炸弹) |
未爆 : 46 phrases in 11 subjects |
Aviation | 14 |
Earth sciences | 1 |
Electronics | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 6 |
General | 5 |
Geophysics | 1 |
Oil / petroleum | 2 |
Space | 1 |
Technology | 9 |
United Nations | 5 |