与"double barrelled gun sign"相近的词条

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• double-barrelled and tubed pipet
• double-barrelled and tubed pipette
• double barrelled capillary electrode
• double barrelled capillary micro electrode
• double barrelled capillary(micro)electrode
• double barrelled gun sign
• double base diode
• double bass
• double bassoon
• double-beam
• double beam accelerting syste
• double-beam atomic adsorption spectrophotophotometer
• double-beam colorimeter
• double-beam densitometer
• double-beam double focusing mass spectrometer
• double-beam dual wavelength UV-VIS spectrophotometer

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