“手动泵”概念、定义、翻译-科学时代

单词	手动泵
释义	机械工程词汇手册 manual pump 手动泵
随便看	private trade private transportation private treaty private treaty private trust private trust fund private tutor private underwriter private university private valuation private-value auction private visit private warehouse private wealth privation privatism privatism privative privative affix privative clause privative opposition privative term privatization privatization privatization

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

manual pump