The technologic principle is the annealing application of heating vapor barrier without medium.

其技术原理为隔气加热无介质淬火成型的应用.

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Tanks are insulated by polyurethane foam with a vapor barrier which provides weather protection.

用聚亚安酯泡沫把储存罐和防止恶劣天气的蒸气屏障隔离开.

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Air - conditioning metal ducts passing through non - conditioned spaces should be wrapped with thermal insulation a vapor barrier.

经过 非 空调空间的空调金属风道应当用保温材料裹起来,保温材料外面加防潮层.

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