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动态流导法真空标准装置
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动态流导法真空标准装置
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动态流导法真空标准装置
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dynamic flow method vacuum facility
动态流导法真空标准装置
基于气体连续流原理的真空计量装置。真空是指低于大气压力或大气质量密度的稀薄气体状态。
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External Analysis
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external auditory osteoma
external balance type thermostatic expansion valve
external bisector
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external cavity surface emitting laser
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external coating of pipeline
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