与"direct-viewing storage tube"相近的词条

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• direct variation
• direct venography
• direct view irradiation
• direct-viewing
• direct-viewing memory tube
• direct-viewing storage tube
• direct viewing type ultrasonic thickness gauge
• direct violence
• direct violet
• direct viral fluorescent-antibody identification
• direct virology
• direct vision、direct-vision
• direct vision biopsy
• direct vision heart operation
• direct vision internal urethrotomy
• direct vision object prism

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