“back fill”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	back fill
释义	back fill 后面充填物
随便看	two-table machine two-tailed test two-tape Turing machine two-tension bar loader two-terminal device two-terminal line two-terminal network two-terminal pair network two-terminal switch two-terminal system two-third point two-thirds formula two-thirds rule two-thread linking machine two-thread overlock machine two-thread worm two-thread yarn twist tester two-throw crank two-throw pump two-throw switch two-tier cambox two-tier foreign exchange market two-tier gold market two-tier gold price system two-tier market