“排气阀杆”的概念、定义、翻译、参考文献-科学参考

单词	排气阀杆
释义	排气阀杆 exhaust valve stem
随便看	negative-impedance repeater negative impulse negative incidence negative income tax negative increment negative index negative indication negative indicator negative induction negative inotropic action negative input negative integer negative interaction negative interest negative interference negative investment negative investment (通常指撤回资本) negative ion negative-ion densitometer negative ion formation negative ion laser negative ion source negative-ion vacancy negative layer negative leap second

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。