平面光栅摄谱仪 grating spectrograph: 光栅光谱仪; 光栅摄谱仪spectrograph grating: 摄谱仪光栅concave grating spectrograph: 凹面光栅摄谱仪crossed grating spectrograph: 交叉光栅摄谱仪diffraction grating spectrograph: 衍射光栅摄谱仪下载手机词典可随时随地查词查翻译