“main stage”的概念、定义、翻译、参考文献-科学参考

单词	main stage
释义	main stage [`mān `stāj] ^{AEROSPACE ENGINEERING} 1. In a multistage rocket, the stage that develops the greatest amount of the thrust, with or without booster engines. 2. In a single-stage rocket vehicle powered by one or more engines, the period when full thrust (at or above 90%) is attained. 3. A sustainer engine, considered as a stage after booster engines have fallen away.
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