与"proportional valve"相近的词条

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• proportional sampling
• proportional sampling device
• proportional sensitivity
• proportional sub-class numbers
• proportional unit of the body
• proportional valve
• proportional volume gradient
• proportionalit
• proportionality
• proportionality constant
• proportionality factor
• proportionalvalve
• proportional比
• proportionate
• proportionate dwarfism
• proportionate morbidity rate

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