etched_diffraction_grating_有道手机词典

1. etched diffraction grating: 衍射光栅 | 蚀刻衍射光栅 | 刻蚀衍射光栅
2. etched diffraction grating edg: 蚀刻衍射光栅
3. deep-etched concave diffraction grating edg: 深刻蚀凹面衍射光栅