“直贡”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	直贡
释义	直贡 satin drill
随便看	positive plate cam positive polarity positive polarity transmission positive pole positive potential positive pressure positive pressure breathing positive-pressure cabin positive pressure control positive-pressure exhauster positive-pressure gating system positive pressure respiration positive pressure respirator positive pressure suit positive pressure urethrography positive pressure wave positive primary photoelectric current positive prime positive print positive probability positive process positive pull positive pulse positive punch positive punch stripper