与"vacuum tight"相近的词条

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• vacuum tank
• vacuum thermionic detector
• vacuum thermocouple
• vacuum thermometer
• vacuum thermopile
• vacuum tight、vacuum-tight
• vacuum-tight chamber
• vacuum topping
• vacuum tower
• vacuum trance
• vacuum transfer
• vacuum tray drier
• vacuum tray dryer
• vacuum-treated
• vacuum treating
• vacuum treatment

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