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| orbiting maneuvering vehicle | |||
| orbital maneuvring vehicle (计划，美国，已取消); orbital maneuvering vehicle; orbital maneuvering vehicle (美国曾设计的一种可执行多种在轨任务的飞行器) | |||
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轨道 机动飞行器 : 8 phrases in 4 subjects |
| Aviation | 3 |
| General | 1 |
| Space | 3 |
| United States | 1 |
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