“51A”可以造什么句,51A造句
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2、More X-51A flights are expected as early as this fall.
4、X-51A起动超过200秒,促使飞行器速度提高到音速的五倍。
3、The X-51A burned for more than 200 seconds and accelerated the craft to five times the speed of sound.
1、TEST 51A CONTINUED FROM THE PREVIOUS PAGE.