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燃料燃烧时间 | |||
导弹等起动时间; 火箭发动机工作时间 | |||
燃烧时间; 燃烧【煅烧】时间 | |||
固体火箭发动机工作时间 |
burning time : 24 phrases in 8 subjects |
Chemistry | 1 |
Explosives and Explosive Ordnance Disposal | 5 |
General | 1 |
Oil / petroleum | 2 |
Oil processing plants | 1 |
Plastics | 1 |
Space | 9 |
Technology | 4 |