“ultra low penetration air--ultra low penetration air (ULPA)”概念、定义、翻译-科学时代

单词	ultra low penetration air--ultra low penetration air (ULPA)
释义	市政工程词汇手册 ultra low penetration air (ULPA) 超低穿透率空气
随便看	Dionysian culture Dionysian mysteries Dionysian personality Dionysian spirit Dionysian type Dionysian type Dionysius Dionysius of Halicarnassus Dionysius the Elder Dionysius Ⅰ Dionysus Dionysus Dion，Celine Diophantine approximation Diophantine geometry diopside diopside diopsidite dioptase dioptase diopter diopter dioptometer dioptometry dioptre

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

ultra low penetration air (ULPA)