“valve throat”的概念、定义、翻译、参考文献-科学参考

单词	valve throat
释义	valve throat 气门孔道喉部
随便看	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 negative lens negative lift negative light modulation negative line negative linear correlation negative line feed negative literal negative logic negative loop

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。