“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。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。