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impact pendulum | |||
ballistic pendulum; gun pendulum | |||
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ballistic pendulum |
冲 击 摆 : 54 phrases in 14 subjects |
Agriculture | 1 |
Automobiles | 1 |
Aviation | 1 |
Chemistry | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 2 |
Metallurgy | 6 |
Oil / petroleum | 3 |
Plastics | 8 |
Polymers | 1 |
Rail transport | 1 |
Space | 2 |
Technology | 25 |