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| triangle of velocities | |||
| triangle of velocity | |||
| triangle of velocities (推测领航用的) | |||
| speed triangle; velocity triangle | |||
| 速度 三角 形: 10 phrases in 5 subjects |
| Armored vehicles | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Oil / petroleum | 1 |
| Technology | 5 |
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