与"roentgen spectrography"相近的词条

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• roentgen ray source
• roentgen rays
• roentgen report
• roentgen sign
• roentgen simulator
• roentgen spectrography
• roentgen spectrum
• roentgen television
• roentgen therapy
• roentgen-to-rad factor
• roentgen tomography
• roentgen topography
• roentgen tube
• roentgen ulcer
• roentgen unit
• roentgen unit(r)

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