“back draft”的概念、定义、翻译、参考文献-科学参考

单词	back draft
释义	back draft [`bak ´draft] ^METALLURGY A reversed taper given to a casting model or pattern to prevent its withdrawal from the mold.
随便看	primary interstice primary key primary knocked-on atom primary lateral sclerosis primary lead primary lesion primary lights primary low primary magma primary measuring element primary meristem primary mineral primary optic axis primary orogeny primary phase primary phase region primary phloem primary photocurrent primary plasticizer primary pollutant primary porosity primary power cable primary production primary radar primary radiation

科学参考收录了103327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。