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与"ball sign"相近的词条

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• ball scale
• ball-scintillator
• ball-scintillator counter
• ball-shaped burr
• ball-shaped new growth of the throat
• ball sign
• ball syringe
• ball syringe for cerebral surgery
• ball test
• ball thrombus
• ball-tip electrtosurgical handpiece
• ball tipped pipette
• ball tongue
• ball type alcohol lamp with metal base
• ball-type handler
• ball-type valve

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