“变极性等离子弧焊”概念、定义、翻译-科学时代

单词	变极性等离子弧焊
释义	航空航天词汇手册 plasma arc welding with adjustable polarity parameters 变极性等离子弧焊
随便看	Fresnel diffraction Fresnel formula Fresnel integral Fresnel lens Fresnel lens Fresnel lens Fresnel lens spotlight Fresnel pattern Fresnel rhomb Fresnel scale Fresnel surface Fresnel zone Fresnel zone plate fret fret fret fretless bass fretted terrain fretting fretting fretting corrosion fretting fatigue fretum fretwork Freudian

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。

plasma arc welding with adjustable polarity parameters