Design of cold insulation 保温设计
cold insulation resistance 冷态绝缘电阻
cold insulation mastic [建] 冷绝缘胶合铺料
cold insulation concrete 保冷混凝土
What kind of valve should be heat or cold insulation, according to the production request.
什么样的阀门应该保温或保冷，要根据生产要求而定。
Third, protection of facilities Some valves also have external protection, which is heat and cold insulation .
保护设施有些阀门还须有外部保护，这就是保温和保冷。
Cold insulation technology is one of the important energy-saving technology for petrochemical enterprises, especially ethylene industry.
低温保冷技术是石油化工企业特别是乙烯行业的重要节能技术之一。
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