“return check valve”的概念、定义、翻译、参考文献-科学参考

单词	return check valve
释义	return check valve 回油单向阀
随便看	copperplate etching copper-plate press copper-plating copperplating copper plating copper plating fog inhibitor copperply wire copper powder copper precipitation unit copper printing roller copper product copper pyrite copper red copper reduction copper removal copper resistor copper resist (陶瓷装饰方法) copper-rich matrix copper rod copper roofing copper roofing sheet copper ruby glass copper sandoz copper scale copper scrap

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。