“relief valve”概念、定义、翻译-科学时代

单词	relief valve
释义	动力与电气工程词汇手册 relief valve （安全）泄放阀，空放阀，降压阀
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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。