单词 | smokeless powder |
释义 | smokeless powder【化】 无烟火药 smokeless powder 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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