reflected diffracted line反射: reflect衍射线: diffracted ray透射衍射线: transmitted diffracted line反射衍射: reflection diffraction反射衍射光栅: reflecting diffraction grating; reflection diffraction grating下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:反射衍射线,即可在微信中查询翻译