与"vacuum metallurgy"相近的词条

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• vacuum lock
• vacuum lock-sample changer
• vacuum manifold
• vacuum manifold for dust removal
• vacuum measurement
• vacuum metallurgy
• vacuum meter、vacuum-meter
• vacuum method
• vacuum mixing
• vacuum mold
• vacuum mould
• vacuum multistage evaporator
• vacuum obturation technique
• vacuum orifice
• vacuum oven
• vacuum overhead

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