“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	suction(-)pump suction pyrometer suction rate suction replenishing valve suction resistance suction reversing valve suction roll suction sapdisplance meat suction scour suction seal suction seeder suction shaft suction side suction side bearing cover suction side cartridge suction side sleeve suction sleeve suction sorter suction spindle suction strainer suction strip feed suction stroke suction surface suction sweeper suction system