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与"vacuum expander"相近的词条

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• vacuum envelope
• vacuum equiqment
• vacuum evaporating
• vacuum evaporation
• vacuum evaporator
• vacuum expander
• vacuum exposure frame
• vacuum exsiccator
• vacuum extraction
• vacuum extraction for artificial abortion
• vacuum extractor
• vacuum extractor for artificial abortion
• vacuum extractstill
• vacuum fan
• vacuum fermentation
• vacuum filling

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