与"proportional pump"相近的词条

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• proportional mortality indicator
• proportional mortality rate
• proportional mortality ratio
• proportional number
• proportional plus derivative control action
• proportional pump
• proportional region
• proportional sampler
• proportional sampling
• proportional sampling device
• proportional sensitivity
• proportional sub-class numbers
• proportional unit of the body
• proportional valve
• proportional volume gradient
• proportionalit

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