| 单词 | retrofire | 
| 释义 | retrofire听听怎么读 
                            英 ['retr??fa??]
                         
                            美 ['retro??fa??]
                         是什么意思 点火发动; 卷舌(音质),(火箭)点火发动; 变形过去式:retrofired过去分词:retrofired现在分词:retrofiring第三人称单数:retrofires 学习怎么用 权威例句Maximum Atmospheric Entry Angle for Specified Retrofire ImpulseVisual target for retrofire attitude controlApollo 7 retrofire and reentry of service propulsion module.VISUAL TARGET FOR RETROFIRE ATTITUDE CONTROLTracking Studies of Apollo 7 and Intelsat IIGot your seat belts hooked?Method of Determining the Aerodynamic Characteristics of a Flying Vehicle from the Surface PressureSpaceshots and Snapshots of Projects Mercury and GeminiLuna 7Guidance system operations plan for manned cm earth orbital and lunar missions using program Colossus 3. Section 2: Data links | 
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