与"standard walking frame"相近的词条

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• standard virus
• standard vision
• standard visual acuity chart
• standard voltage
• standard volume
• standard walking frame
• standard wall
• standard wave length、standard wave-length
• standard weight
• standard weights
• standard wheat flour
• standard wheelchair
• standard zero
• standard α-thalassemia trait
• Standardbred
• standardbred stock

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