与"ring type traction frame"相近的词条

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• ring trivalent
• ring tube
• ring-type adder
• ring type needle
• ring type polypeptide
• ring type traction frame
• ring ulcer
• ring ulcer of cornea
• ring ulcer of the cornea
• ring vaccination
• ring vein
• ring vessel
• ring wall
• ring-wall lesion
• ring weight
• ringbinder

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