“上端阀座”的概念、定义、翻译、参考文献-科学参考

单词	上端阀座
释义	上端阀座 upper valve seat
随便看	level measuring set level measuring set (LMS) level meter level-meter level monitor level multiple level multiplicity levelness level net level noise margin level notes level number level of abstraction level of access level of addressing level of anesthesia level of a structure element level of base plate and support level of capital gains level of consumption level of control level of drive level of education level off level-off

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。