“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	finch find finder finder beam finder light F indicator finding circuit findspot fine admixture fineblanking fine delay fine earth fin efficiency fine gold fine gravel fine grinding fine index fine-line printer fineness fineness modulus fineness ratio fines fine sand fine-screen halftone fine silver

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。