“black powder”的概念、定义、翻译、参考文献-科学参考

单词	black powder
释义	black powder Encyclopedia 工学火药释 black powder黑火药由硝酸钾、硫黄、木炭混合而成的异质火药。因燃烧后产生大量烟雾，又称有烟火药，简称黑药。
随便看	occipital area occipital bone occipital lobe occipital region occipital torus Occitanie occlude occluded body occluded phosphorus occluder occlusion occlusion coprecipitation occlusion effect occlusive occlusive part occulation observation occultation occultation angle occultation band occultation curve occultation of planet occultation of satellite occultation of source occultation of star occultation photometric detection

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