segmented solid rocket booster造句

例句与造句

1. But because of the need to keep costs down and to allow President Richard Nixon to approve the shuttle program in 1972, NASA decided to utilize segmented solid rocket boosters similar to those used on the Titan III rocket instead of the S-IC, thus ending the Saturn program after the initial Saturn V order was completed.
2. It's difficult to find segmented solid rocket booster in a sentence. 用segmented solid rocket booster造句挺难的