自动双光束分光计 automatic double beam spectrometer

双光束分光光度计 [分化] [光] double beam spectrophotometer

双光束显微分光光度计 double beam microspectrophotometer

双光束分光光密度计 double-beam spectrodensitometer

双光束光栅分光光度计 double-beam grating spectrophotometer

双束分光光度计 two-package spectrometer

双光束空间分光光度计 double beam space spectrophotometer