first stage nozzle ring 第一级定子叶轮
first stage nozzle assembly 第一级导向器组件
first-stage nozzle assembly 第一级导向器组件
first stage steam nozzle 第一级蒸汽喷嘴
first stage nozzle
第一级喷嘴
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The dual-bell nozzle has an inflection point (12) between the first stage nozzle and the second stage nozzle.
双钟形喷嘴具有位于第一级喷嘴和第二级喷嘴之间的拐点 （12）。
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M-5 rocket last month seems to have been caused by a damaged graphite nozzle in the first-stage engine.
ECONOMIST: The land of disappointments
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