“Ledrit”的概念、定义、翻译、参考文献-科学参考

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。

单词	Ledrit
释义	Ledrit 铅黑铜铅黄铜
随便看	negative-glow lamp negative glow lamp negative glow region negative-going negative going edge negative going pulse negative-going reflected pulse negative going sawtooth wave negative-going signal negative goodwill negative gradient negative gravity negative grid bias negative-grid generator negative-grid oscillator negative grid super high frequency tube negative-grid thyratron negative grid tube negative group negative g tolerance negative hardening negative heliotropism negative holder negative hologram negative hydrogen ion