短語(yǔ)詞組短語(yǔ)grating g infrared spectrometer 光柵紅外光譜儀filter -grating infrared spectrometer 濾光器;光柵紅外光譜儀Near -infrared grating spectrometer 近紅外光柵光譜儀infrared vacuum grating spectrometer 遠(yuǎn)紅外真空光柵光譜儀far -infrared vacuum grating spectrometer 遠(yuǎn)紅外真空光柵光譜儀 返回 grating infrared spectrometer