rocket fin造句

例句与造句

1. From a hole in the shattered walls, one man sells shell casings, spent cartridges, dud grenades and rocket fins.
2. The rockets have a transparent blue plastic body with a red soft foam nose and blue or yellow rocket fins.
3. In November 1944, Rudolph put Magnus in charge of rocket fin servomotors, which were the most troublesome V-2 component at that time.
4. The techniques used to direct air past rocket fins, Kantrowitz told his audience, could be adapted to push blood safely through the human body.
5. It's difficult to find rocket fin in a sentence. 用rocket fin造句挺难的