“还土”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	还土
释义	还土 earth backing
随便看	hydraulic percussion method hydraulic permeability hydraulic permeability tester hydraulic picking motion hydraulic piercing hydraulic piercing press hydraulic pile driving hydraulic pilot control hydraulic pipe hydraulic pipe bender hydraulic pipe cleaner hydraulic pipeline hydraulic pipe line dredge hydraulic pipe testing machine hydraulic piping hydraulic piston hydraulic pitch control system hydraulic planer hydraulic planer for wood-work hydraulic plant hydraulic plate bender hydraulic plate bending machine hydraulic platform hydraulic plunger hydraulic plunger elevator