与"vacuum investing machine"相近的词条

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• vacuum heating system
• vacuum in sinus of nose
• vacuum infiltration
• vacuum interferometer
• vacuum investing
• vacuum investing machine
• vacuum ionization chamber
• vacuum ionization detector
• vacuum ionization gage
• vacuum ionization manometer
• vacuum jacketed flask
• vacuum jar
• vacuum junction
• vacuum kettle
• vacuum kneader
• vacuum leaf filter

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