solid-fuel rocket是什么意思 solid-fuel rocket怎么读
solid-fuel rocket的用法和样例
- Perched on the shoulers of the booster is the second stage, the most powerful hydrogen-fueled rocket ever built.
放在助飞火箭上的是第二节,那是迄今制造的最强大氢燃料火箭。 - American physicist Robert Goddard conducts the first successful launch of a liquid-fueled rocket.
年美国物理学家戈塔德第一次成功发射了液体燃料火箭。
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