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vacuum insulation pipeline
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vacuum insulation pipeline
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工学
真空绝热管道
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vacuum insulation pipeline
真空绝热管道
利用内管和外管的套管结构形成夹层空间,将夹层空间抽至真空或充填绝热材料同时抽至一定真空度的方法实现绝热的低温输送管道。
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