| 单词 | multistage rocket |
| 释义 | multistage rocket [`mǝl·tē´stāj `räk·ǝt] AEROSPACE ENGINEERING A vehicle having two or more rocket units, each unit firing after the one in back of it has exhausted its propellant; normally, each unit, or stage, is jettisoned after completing its firing. Also known as multiple-stage rocket; step rocket. |
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