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与"beam deflection"相近的词条

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• beam defining aperture
• beam defining clipper
• beam-defining diaphragm
• beam defining jaw
• beam defining slit
• beam deflection
• beam deflection flowmeter
• beam-deflection valve
• beam deflector
• beam defocusing
• beam density
• beam detector
• beam diameter
• beam direction
• beam direction device
• beam direction indicator

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