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ultrasonic machining tools
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ultrasonic machining tools
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工学
超声加工装备
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ultrasonic machining tools
超声加工机床
用超声加工方法加工工件的特种加工机床。
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vacuum level
vacuum line technique
vacuum load switch
vacuum manometer
vacuum mass spectrometer
vacuum melting furnace
vacuum metallizing plant
vacuum microdischarge
vacuum microelectronic device
vacuum microelectronics
vacuum mold casting
vacuum multi-layer thermal insulation
vacuum nano-diode
vacuum nanoelectronics
vacuum nano-triode
vacuum oxygen decarburization
vacuum packaging
vacuum physics
vacuum polarization
vacuum powder thermal insulation
vacuum preloading
vacuum pressure die casting
vacuum pressurizing casting
vacuum prism spectrograph
vacuum pump
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