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单词
smokeless powder
释义
smokeless powder
n.
(名词)
A relatively smoke-free propellant charge composed mainly of nitrocellulose, used in projectiles and small artillery rockets.
无烟火药:一种基本上无烟的推进器填装物,主要由硝化纤维素组成,用于发射火箭或小型火箭
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更新时间:2026/5/27 11:12:16