etched grating的意思|示意

---

etched grating相关短语

1、 etched-grating 刻蚀光栅

2、 etched diffraction grating 衍射光栅,蚀刻衍射光栅,刻蚀衍射光栅

3、 etched diffraction grating edg 蚀刻衍射光栅

4、 deep-etched concave diffraction grating edg 深刻蚀凹面衍射光栅