铝箔也广泛地使用于工业领域，如汽车热交换器、建筑、管道、航空、电缆以及保温材料。
Aluminum foil is also widely used industrially including heat exchangers in cars, thermal insulation for buildings, pipework, aerospace, cables and in the electronics industry.
探讨了直埋蒸汽管道的保温结构、保温材料、外保护管、固定支座、补偿器、疏水装置等技术。
The technique of directly buried steam pipeline such as insulation construction, insulating material, outside protective pipe, fixing support, compensator, and steam trap connections is discussed.
聚氨酯管道保温目前是最优质的保温材料，其唯一缺点是造价高。
Pu heat preservation is currently the most high-quality pipe insulation, its only drawback is that cost is high.
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