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与"variable pitch"相近的词条

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• variable-paper-speed recorder
• variable parmeter lung model
• variable penetrance
• variable persistence
• variable phase
• variable pitch
• variable plot sampling
• variable population
• variable portion
• variable power eye-piece
• variable power eyepiece
• variable power system
• variable protein region
• variable pulse ultrasonic therapy apparatus
• variable pulsed ultrasonic therapy apparatus
• variable pump

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