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与"vacuum system"相近的词条

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• vacuum suction
• vacuum suction massage unit
• vacuum supply
• vacuum sweeper
• vacuum switch
• vacuum system
• vacuum tank
• vacuum thermionic detector
• vacuum thermocouple
• vacuum thermometer
• vacuum thermopile
• vacuum tight、vacuum-tight
• vacuum-tight chamber
• vacuum topping
• vacuum tower
• vacuum trance

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