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Terms for subject Aviation containing 之前 | all forms | in specified order only
ChineseEnglish
位于... 之前precede
准备发射之前prelaunch
宇宙飞船等发射之前prelaunch
在…之前before...
在进人航线之前before proceeding on course
爆炸之前detonation run-up
爆炸之前的距离detonation run-up distance