“convergent-divergent nozzle”的概念、定义、翻译、参考文献-科学参考

单词	convergent-divergent nozzle
释义	convergent-divergent nozzle [kǝn¦vǝr·jǝnt dǝ¦vǝr·jǝnt `näz·ǝl] ^{DESIGN ENGINEERING} A nozzle in which supersonic velocities are attained; has a divergent portion downstream of the contracting section. Also known as supersonic nozzle.
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