“non-return valve”概念、定义、翻译-科学时代

单词	non-return valve
释义	水产业词汇手册 non-return valve 渔具防逃装置；止回阀，单向阀
随便看	medium-scale integrated circuit medium-scale integrated circuit Medium Scale Integration Medium Scale Integration--Medium Scale Integration (MSI) medium-scale integration (MSI) Medium Scale Integration (MSI) medium section mill medium shape medium short-persistence phosphor medium short wave medium shot medium shot medium shot medium shot medium shot (MS) medium-size network medium solonetz soil medium speed emulsion medium speed plate medium-stemmed mulberry medium storm medium tactical vehicle medium-temperature carbonization medium-temperature radiant heating system medium term bond

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。

non-return valve